Home / 102,392.16-141,301.88-57,073.06

Finding the Fourth Proportional to 102,392.16, 141,301.88 and 57,073.06

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Solution

The fourth proportional to 102,392.16, 141,301.88 and 57,073.06 is: 78,761.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,392.16 : 141,301.88 = 57,073.06 : x
  2. Step 2: Convert to fraction form
    102,392.16/141,301.88 = 57,073.06/x
  3. Step 3: Cross multiply
    102,392.16x = 141,301.88 × 57,073.06
  4. Step 4: Simplify right side
    102,392.16x = 8,064,530,675.35
  5. Step 5: Solve for x
    x = 8,064,530,675.35/102,392.16
  6. Step 6: Final answer
    x = 78,761.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.