Home / 103,630.40-155,439.21-37,067.30

Finding the Fourth Proportional to 103,630.40, 155,439.21 and 37,067.30

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Solution

The fourth proportional to 103,630.40, 155,439.21 and 37,067.30 is: 55,598.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,630.40 : 155,439.21 = 37,067.30 : x
  2. Step 2: Convert to fraction form
    103,630.40/155,439.21 = 37,067.30/x
  3. Step 3: Cross multiply
    103,630.40x = 155,439.21 × 37,067.30
  4. Step 4: Simplify right side
    103,630.40x = 5,761,711,828.83
  5. Step 5: Solve for x
    x = 5,761,711,828.83/103,630.40
  6. Step 6: Final answer
    x = 55,598.66

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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.