Home / 108,729.65-150,045.06-60,981.96

Finding the Fourth Proportional to 108,729.65, 150,045.06 and 60,981.96

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Solution

The fourth proportional to 108,729.65, 150,045.06 and 60,981.96 is: 84,154.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,729.65 : 150,045.06 = 60,981.96 : x
  2. Step 2: Convert to fraction form
    108,729.65/150,045.06 = 60,981.96/x
  3. Step 3: Cross multiply
    108,729.65x = 150,045.06 × 60,981.96
  4. Step 4: Simplify right side
    108,729.65x = 9,150,041,847.12
  5. Step 5: Solve for x
    x = 9,150,041,847.12/108,729.65
  6. Step 6: Final answer
    x = 84,154.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.