Home / 98,339.27-147,509.03-42,142.95

Finding the Fourth Proportional to 98,339.27, 147,509.03 and 42,142.95

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Solution

The fourth proportional to 98,339.27, 147,509.03 and 42,142.95 is: 63,214.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,339.27 : 147,509.03 = 42,142.95 : x
  2. Step 2: Convert to fraction form
    98,339.27/147,509.03 = 42,142.95/x
  3. Step 3: Cross multiply
    98,339.27x = 147,509.03 × 42,142.95
  4. Step 4: Simplify right side
    98,339.27x = 6,216,465,781.20
  5. Step 5: Solve for x
    x = 6,216,465,781.20/98,339.27
  6. Step 6: Final answer
    x = 63,214.48

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1.5x scale

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.