Home / 143,247.49-215,703.56-106,070.92

Finding the Fourth Proportional to 143,247.49, 215,703.56 and 106,070.92

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Solution

The fourth proportional to 143,247.49, 215,703.56 and 106,070.92 is: 159,722.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,247.49 : 215,703.56 = 106,070.92 : x
  2. Step 2: Convert to fraction form
    143,247.49/215,703.56 = 106,070.92/x
  3. Step 3: Cross multiply
    143,247.49x = 215,703.56 × 106,070.92
  4. Step 4: Simplify right side
    143,247.49x = 22,879,874,185.74
  5. Step 5: Solve for x
    x = 22,879,874,185.74/143,247.49
  6. Step 6: Final answer
    x = 159,722.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.