Home / 102,088.60-153,132.90-31,973.38

Finding the Fourth Proportional to 102,088.60, 153,132.90 and 31,973.38

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Solution

The fourth proportional to 102,088.60, 153,132.90 and 31,973.38 is: 47,960.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,088.60 : 153,132.90 = 31,973.38 : x
  2. Step 2: Convert to fraction form
    102,088.60/153,132.90 = 31,973.38/x
  3. Step 3: Cross multiply
    102,088.60x = 153,132.90 × 31,973.38
  4. Step 4: Simplify right side
    102,088.60x = 4,896,176,402.20
  5. Step 5: Solve for x
    x = 4,896,176,402.20/102,088.60
  6. Step 6: Final answer
    x = 47,960.07

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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.