Home / 123,513.90-185,319.45-48,621.30

Finding the Fourth Proportional to 123,513.90, 185,319.45 and 48,621.30

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Solution

The fourth proportional to 123,513.90, 185,319.45 and 48,621.30 is: 72,951.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,513.90 : 185,319.45 = 48,621.30 : x
  2. Step 2: Convert to fraction form
    123,513.90/185,319.45 = 48,621.30/x
  3. Step 3: Cross multiply
    123,513.90x = 185,319.45 × 48,621.30
  4. Step 4: Simplify right side
    123,513.90x = 9,010,472,574.29
  5. Step 5: Solve for x
    x = 9,010,472,574.29/123,513.90
  6. Step 6: Final answer
    x = 72,951.08

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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.