Home / 115,812.30-173,572.65-102,690.30

Finding the Fourth Proportional to 115,812.30, 173,572.65 and 102,690.30

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Solution

The fourth proportional to 115,812.30, 173,572.65 and 102,690.30 is: 153,906.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,812.30 : 173,572.65 = 102,690.30 : x
  2. Step 2: Convert to fraction form
    115,812.30/173,572.65 = 102,690.30/x
  3. Step 3: Cross multiply
    115,812.30x = 173,572.65 × 102,690.30
  4. Step 4: Simplify right side
    115,812.30x = 17,824,227,500.30
  5. Step 5: Solve for x
    x = 17,824,227,500.30/115,812.30
  6. Step 6: Final answer
    x = 153,906.17

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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.