Home / 125,887.29-173,685.27-71,430.45

Finding the Fourth Proportional to 125,887.29, 173,685.27 and 71,430.45

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Solution

The fourth proportional to 125,887.29, 173,685.27 and 71,430.45 is: 98,551.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,887.29 : 173,685.27 = 71,430.45 : x
  2. Step 2: Convert to fraction form
    125,887.29/173,685.27 = 71,430.45/x
  3. Step 3: Cross multiply
    125,887.29x = 173,685.27 × 71,430.45
  4. Step 4: Simplify right side
    125,887.29x = 12,406,416,994.47
  5. Step 5: Solve for x
    x = 12,406,416,994.47/125,887.29
  6. Step 6: Final answer
    x = 98,551.78

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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.