Home / 136,953.16-205,439.02-42,177.49

Finding the Fourth Proportional to 136,953.16, 205,439.02 and 42,177.49

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Solution

The fourth proportional to 136,953.16, 205,439.02 and 42,177.49 is: 63,269.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,953.16 : 205,439.02 = 42,177.49 : x
  2. Step 2: Convert to fraction form
    136,953.16/205,439.02 = 42,177.49/x
  3. Step 3: Cross multiply
    136,953.16x = 205,439.02 × 42,177.49
  4. Step 4: Simplify right side
    136,953.16x = 8,664,901,592.62
  5. Step 5: Solve for x
    x = 8,664,901,592.62/136,953.16
  6. Step 6: Final answer
    x = 63,269.09

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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.