Home / 102,529.90-153,816.45-43,335.10

Finding the Fourth Proportional to 102,529.90, 153,816.45 and 43,335.10

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Solution

The fourth proportional to 102,529.90, 153,816.45 and 43,335.10 is: 65,011.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,529.90 : 153,816.45 = 43,335.10 : x
  2. Step 2: Convert to fraction form
    102,529.90/153,816.45 = 43,335.10/x
  3. Step 3: Cross multiply
    102,529.90x = 153,816.45 × 43,335.10
  4. Step 4: Simplify right side
    102,529.90x = 6,665,651,242.40
  5. Step 5: Solve for x
    x = 6,665,651,242.40/102,529.90
  6. Step 6: Final answer
    x = 65,011.78

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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.