Home / 125,167.60-172,729.02-68,577.76

Finding the Fourth Proportional to 125,167.60, 172,729.02 and 68,577.76

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Solution

The fourth proportional to 125,167.60, 172,729.02 and 68,577.76 is: 94,636.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,167.60 : 172,729.02 = 68,577.76 : x
  2. Step 2: Convert to fraction form
    125,167.60/172,729.02 = 68,577.76/x
  3. Step 3: Cross multiply
    125,167.60x = 172,729.02 × 68,577.76
  4. Step 4: Simplify right side
    125,167.60x = 11,845,369,278.60
  5. Step 5: Solve for x
    x = 11,845,369,278.60/125,167.60
  6. Step 6: Final answer
    x = 94,636.07

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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.