Home / 113,716.71-156,985.29-88,165.26

Finding the Fourth Proportional to 113,716.71, 156,985.29 and 88,165.26

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Solution

The fourth proportional to 113,716.71, 156,985.29 and 88,165.26 is: 121,711.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,716.71 : 156,985.29 = 88,165.26 : x
  2. Step 2: Convert to fraction form
    113,716.71/156,985.29 = 88,165.26/x
  3. Step 3: Cross multiply
    113,716.71x = 156,985.29 × 88,165.26
  4. Step 4: Simplify right side
    113,716.71x = 13,840,648,909.03
  5. Step 5: Solve for x
    x = 13,840,648,909.03/113,716.71
  6. Step 6: Final answer
    x = 121,711.65

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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.