Home / 102,492.67-153,743.61-31,410.10

Finding the Fourth Proportional to 102,492.67, 153,743.61 and 31,410.10

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Solution

The fourth proportional to 102,492.67, 153,743.61 and 31,410.10 is: 47,116.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,492.67 : 153,743.61 = 31,410.10 : x
  2. Step 2: Convert to fraction form
    102,492.67/153,743.61 = 31,410.10/x
  3. Step 3: Cross multiply
    102,492.67x = 153,743.61 × 31,410.10
  4. Step 4: Simplify right side
    102,492.67x = 4,829,102,164.46
  5. Step 5: Solve for x
    x = 4,829,102,164.46/102,492.67
  6. Step 6: Final answer
    x = 47,116.56

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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.