Home / 137,520.52-206,280.96-37,681.60

Finding the Fourth Proportional to 137,520.52, 206,280.96 and 37,681.60

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Solution

The fourth proportional to 137,520.52, 206,280.96 and 37,681.60 is: 56,522.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,520.52 : 206,280.96 = 37,681.60 : x
  2. Step 2: Convert to fraction form
    137,520.52/206,280.96 = 37,681.60/x
  3. Step 3: Cross multiply
    137,520.52x = 206,280.96 × 37,681.60
  4. Step 4: Simplify right side
    137,520.52x = 7,772,996,622.34
  5. Step 5: Solve for x
    x = 7,772,996,622.34/137,520.52
  6. Step 6: Final answer
    x = 56,522.45

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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.