Home / 107,515.28-148,374.90-59,120.90

Finding the Fourth Proportional to 107,515.28, 148,374.90 and 59,120.90

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Solution

The fourth proportional to 107,515.28, 148,374.90 and 59,120.90 is: 81,588.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,515.28 : 148,374.90 = 59,120.90 : x
  2. Step 2: Convert to fraction form
    107,515.28/148,374.90 = 59,120.90/x
  3. Step 3: Cross multiply
    107,515.28x = 148,374.90 × 59,120.90
  4. Step 4: Simplify right side
    107,515.28x = 8,772,056,883.54
  5. Step 5: Solve for x
    x = 8,772,056,883.54/107,515.28
  6. Step 6: Final answer
    x = 81,588.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.