Home / 98,587.02-147,951.81-39,439.20

Finding the Fourth Proportional to 98,587.02, 147,951.81 and 39,439.20

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Solution

The fourth proportional to 98,587.02, 147,951.81 and 39,439.20 is: 59,187.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,587.02 : 147,951.81 = 39,439.20 : x
  2. Step 2: Convert to fraction form
    98,587.02/147,951.81 = 39,439.20/x
  3. Step 3: Cross multiply
    98,587.02x = 147,951.81 × 39,439.20
  4. Step 4: Simplify right side
    98,587.02x = 5,835,101,024.95
  5. Step 5: Solve for x
    x = 5,835,101,024.95/98,587.02
  6. Step 6: Final answer
    x = 59,187.32

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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.