Home / 147,650.90-221,325.15-72,655.70

Finding the Fourth Proportional to 147,650.90, 221,325.15 and 72,655.70

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Solution

The fourth proportional to 147,650.90, 221,325.15 and 72,655.70 is: 108,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,650.90 : 221,325.15 = 72,655.70 : x
  2. Step 2: Convert to fraction form
    147,650.90/221,325.15 = 72,655.70/x
  3. Step 3: Cross multiply
    147,650.90x = 221,325.15 × 72,655.70
  4. Step 4: Simplify right side
    147,650.90x = 16,080,533,700.86
  5. Step 5: Solve for x
    x = 16,080,533,700.86/147,650.90
  6. Step 6: Final answer
    x = 108,909.15

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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.