Home / 102,318.48-153,498.60-43,154.04

Finding the Fourth Proportional to 102,318.48, 153,498.60 and 43,154.04

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Solution

The fourth proportional to 102,318.48, 153,498.60 and 43,154.04 is: 64,739.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,318.48 : 153,498.60 = 43,154.04 : x
  2. Step 2: Convert to fraction form
    102,318.48/153,498.60 = 43,154.04/x
  3. Step 3: Cross multiply
    102,318.48x = 153,498.60 × 43,154.04
  4. Step 4: Simplify right side
    102,318.48x = 6,624,084,724.34
  5. Step 5: Solve for x
    x = 6,624,084,724.34/102,318.48
  6. Step 6: Final answer
    x = 64,739.87

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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.