Home / 92,573.28-138,911.25-45,188.74

Finding the Fourth Proportional to 92,573.28, 138,911.25 and 45,188.74

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Solution

The fourth proportional to 92,573.28, 138,911.25 and 45,188.74 is: 67,808.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,573.28 : 138,911.25 = 45,188.74 : x
  2. Step 2: Convert to fraction form
    92,573.28/138,911.25 = 45,188.74/x
  3. Step 3: Cross multiply
    92,573.28x = 138,911.25 × 45,188.74
  4. Step 4: Simplify right side
    92,573.28x = 6,277,223,921.05
  5. Step 5: Solve for x
    x = 6,277,223,921.05/92,573.28
  6. Step 6: Final answer
    x = 67,808.16

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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.