Home / 146,711.80-220,140.60-57,968.20

Finding the Fourth Proportional to 146,711.80, 220,140.60 and 57,968.20

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Solution

The fourth proportional to 146,711.80, 220,140.60 and 57,968.20 is: 86,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,711.80 : 220,140.60 = 57,968.20 : x
  2. Step 2: Convert to fraction form
    146,711.80/220,140.60 = 57,968.20/x
  3. Step 3: Cross multiply
    146,711.80x = 220,140.60 × 57,968.20
  4. Step 4: Simplify right side
    146,711.80x = 12,761,154,328.92
  5. Step 5: Solve for x
    x = 12,761,154,328.92/146,711.80
  6. Step 6: Final answer
    x = 86,981.10

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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.