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Finding the Fourth Proportional to 144,152.77, 215,927.85 and 115,920.13

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Solution

The fourth proportional to 144,152.77, 215,927.85 and 115,920.13 is: 173,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,152.77 : 215,927.85 = 115,920.13 : x
  2. Step 2: Convert to fraction form
    144,152.77/215,927.85 = 115,920.13/x
  3. Step 3: Cross multiply
    144,152.77x = 215,927.85 × 115,920.13
  4. Step 4: Simplify right side
    144,152.77x = 25,030,384,442.62
  5. Step 5: Solve for x
    x = 25,030,384,442.62/144,152.77
  6. Step 6: Final answer
    x = 173,637.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.