Home / 149,177.76-223,772.04-49,340.40

Finding the Fourth Proportional to 149,177.76, 223,772.04 and 49,340.40

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Solution

The fourth proportional to 149,177.76, 223,772.04 and 49,340.40 is: 74,012.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,177.76 : 223,772.04 = 49,340.40 : x
  2. Step 2: Convert to fraction form
    149,177.76/223,772.04 = 49,340.40/x
  3. Step 3: Cross multiply
    149,177.76x = 223,772.04 × 49,340.40
  4. Step 4: Simplify right side
    149,177.76x = 11,041,001,962.42
  5. Step 5: Solve for x
    x = 11,041,001,962.42/149,177.76
  6. Step 6: Final answer
    x = 74,012.39

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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.