Home / 90,240.61-135,333.56-37,637.79

Finding the Fourth Proportional to 90,240.61, 135,333.56 and 37,637.79

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Solution

The fourth proportional to 90,240.61, 135,333.56 and 37,637.79 is: 56,445.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,240.61 : 135,333.56 = 37,637.79 : x
  2. Step 2: Convert to fraction form
    90,240.61/135,333.56 = 37,637.79/x
  3. Step 3: Cross multiply
    90,240.61x = 135,333.56 × 37,637.79
  4. Step 4: Simplify right side
    90,240.61x = 5,093,655,972.60
  5. Step 5: Solve for x
    x = 5,093,655,972.60/90,240.61
  6. Step 6: Final answer
    x = 56,445.28

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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.