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Finding the Fourth Proportional to 144,677.20, 216,670.20 and 117,029.20

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Solution

The fourth proportional to 144,677.20, 216,670.20 and 117,029.20 is: 175,264.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,677.20 : 216,670.20 = 117,029.20 : x
  2. Step 2: Convert to fraction form
    144,677.20/216,670.20 = 117,029.20/x
  3. Step 3: Cross multiply
    144,677.20x = 216,670.20 × 117,029.20
  4. Step 4: Simplify right side
    144,677.20x = 25,356,740,169.84
  5. Step 5: Solve for x
    x = 25,356,740,169.84/144,677.20
  6. Step 6: Final answer
    x = 175,264.24

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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.