Home / 90,586.20-136,031.58-59,049.48

Finding the Fourth Proportional to 90,586.20, 136,031.58 and 59,049.48

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Solution

The fourth proportional to 90,586.20, 136,031.58 and 59,049.48 is: 88,673.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,586.20 : 136,031.58 = 59,049.48 : x
  2. Step 2: Convert to fraction form
    90,586.20/136,031.58 = 59,049.48/x
  3. Step 3: Cross multiply
    90,586.20x = 136,031.58 × 59,049.48
  4. Step 4: Simplify right side
    90,586.20x = 8,032,594,062.58
  5. Step 5: Solve for x
    x = 8,032,594,062.58/90,586.20
  6. Step 6: Final answer
    x = 88,673.49

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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.