Home / 136,957.78-205,445.96-42,182.11

Finding the Fourth Proportional to 136,957.78, 205,445.96 and 42,182.11

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Solution

The fourth proportional to 136,957.78, 205,445.96 and 42,182.11 is: 63,276.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,957.78 : 205,445.96 = 42,182.11 : x
  2. Step 2: Convert to fraction form
    136,957.78/205,445.96 = 42,182.11/x
  3. Step 3: Cross multiply
    136,957.78x = 205,445.96 × 42,182.11
  4. Step 4: Simplify right side
    136,957.78x = 8,666,144,083.78
  5. Step 5: Solve for x
    x = 8,666,144,083.78/136,957.78
  6. Step 6: Final answer
    x = 63,276.03

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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.