Home / 138,075.29-207,110.85-62,120.19

Finding the Fourth Proportional to 138,075.29, 207,110.85 and 62,120.19

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Solution

The fourth proportional to 138,075.29, 207,110.85 and 62,120.19 is: 93,179.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,075.29 : 207,110.85 = 62,120.19 : x
  2. Step 2: Convert to fraction form
    138,075.29/207,110.85 = 62,120.19/x
  3. Step 3: Cross multiply
    138,075.29x = 207,110.85 × 62,120.19
  4. Step 4: Simplify right side
    138,075.29x = 12,865,765,081.20
  5. Step 5: Solve for x
    x = 12,865,765,081.20/138,075.29
  6. Step 6: Final answer
    x = 93,179.35

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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.