Home / 147,060.60-220,418.10-76,903.80

Finding the Fourth Proportional to 147,060.60, 220,418.10 and 76,903.80

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Solution

The fourth proportional to 147,060.60, 220,418.10 and 76,903.80 is: 115,265.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,060.60 : 220,418.10 = 76,903.80 : x
  2. Step 2: Convert to fraction form
    147,060.60/220,418.10 = 76,903.80/x
  3. Step 3: Cross multiply
    147,060.60x = 220,418.10 × 76,903.80
  4. Step 4: Simplify right side
    147,060.60x = 16,950,989,478.78
  5. Step 5: Solve for x
    x = 16,950,989,478.78/147,060.60
  6. Step 6: Final answer
    x = 115,265.34

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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.