Home / 178,746.15-267,710.89-85,317.51

Finding the Fourth Proportional to 178,746.15, 267,710.89 and 85,317.51

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Solution

The fourth proportional to 178,746.15, 267,710.89 and 85,317.51 is: 127,781.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,746.15 : 267,710.89 = 85,317.51 : x
  2. Step 2: Convert to fraction form
    178,746.15/267,710.89 = 85,317.51/x
  3. Step 3: Cross multiply
    178,746.15x = 267,710.89 × 85,317.51
  4. Step 4: Simplify right side
    178,746.15x = 22,840,426,534.68
  5. Step 5: Solve for x
    x = 22,840,426,534.68/178,746.15
  6. Step 6: Final answer
    x = 127,781.36

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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.