Home / 147,002.30-220,545.32-72,144.93

Finding the Fourth Proportional to 147,002.30, 220,545.32 and 72,144.93

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Solution

The fourth proportional to 147,002.30, 220,545.32 and 72,144.93 is: 108,237.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,002.30 : 220,545.32 = 72,144.93 : x
  2. Step 2: Convert to fraction form
    147,002.30/220,545.32 = 72,144.93/x
  3. Step 3: Cross multiply
    147,002.30x = 220,545.32 × 72,144.93
  4. Step 4: Simplify right side
    147,002.30x = 15,911,226,312.50
  5. Step 5: Solve for x
    x = 15,911,226,312.50/147,002.30
  6. Step 6: Final answer
    x = 108,237.94

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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.