Home / 90,188.55-124,437.78-58,319.10

Finding the Fourth Proportional to 90,188.55, 124,437.78 and 58,319.10

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Solution

The fourth proportional to 90,188.55, 124,437.78 and 58,319.10 is: 80,465.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,188.55 : 124,437.78 = 58,319.10 : x
  2. Step 2: Convert to fraction form
    90,188.55/124,437.78 = 58,319.10/x
  3. Step 3: Cross multiply
    90,188.55x = 124,437.78 × 58,319.10
  4. Step 4: Simplify right side
    90,188.55x = 7,257,099,335.60
  5. Step 5: Solve for x
    x = 7,257,099,335.60/90,188.55
  6. Step 6: Final answer
    x = 80,465.86

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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.