Home / 98,478.29-147,754.67-38,549.60

Finding the Fourth Proportional to 98,478.29, 147,754.67 and 38,549.60

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Solution

The fourth proportional to 98,478.29, 147,754.67 and 38,549.60 is: 57,838.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,478.29 : 147,754.67 = 38,549.60 : x
  2. Step 2: Convert to fraction form
    98,478.29/147,754.67 = 38,549.60/x
  3. Step 3: Cross multiply
    98,478.29x = 147,754.67 × 38,549.60
  4. Step 4: Simplify right side
    98,478.29x = 5,695,882,495.11
  5. Step 5: Solve for x
    x = 5,695,882,495.11/98,478.29
  6. Step 6: Final answer
    x = 57,838.96

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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.