Home / 102,376.64-153,565.92-100,199.36

Finding the Fourth Proportional to 102,376.64, 153,565.92 and 100,199.36

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Solution

The fourth proportional to 102,376.64, 153,565.92 and 100,199.36 is: 150,299.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,376.64 : 153,565.92 = 100,199.36 : x
  2. Step 2: Convert to fraction form
    102,376.64/153,565.92 = 100,199.36/x
  3. Step 3: Cross multiply
    102,376.64x = 153,565.92 × 100,199.36
  4. Step 4: Simplify right side
    102,376.64x = 15,387,206,901.81
  5. Step 5: Solve for x
    x = 15,387,206,901.81/102,376.64
  6. Step 6: Final answer
    x = 150,299.98

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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.