Home / 134,646.90-185,810.48-74,223.15

Finding the Fourth Proportional to 134,646.90, 185,810.48 and 74,223.15

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Solution

The fourth proportional to 134,646.90, 185,810.48 and 74,223.15 is: 102,426.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,646.90 : 185,810.48 = 74,223.15 : x
  2. Step 2: Convert to fraction form
    134,646.90/185,810.48 = 74,223.15/x
  3. Step 3: Cross multiply
    134,646.90x = 185,810.48 × 74,223.15
  4. Step 4: Simplify right side
    134,646.90x = 13,791,439,128.61
  5. Step 5: Solve for x
    x = 13,791,439,128.61/134,646.90
  6. Step 6: Final answer
    x = 102,426.71

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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.