Home / 92,359.28-138,312.12-58,980.80

Finding the Fourth Proportional to 92,359.28, 138,312.12 and 58,980.80

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Solution

The fourth proportional to 92,359.28, 138,312.12 and 58,980.80 is: 88,326.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,359.28 : 138,312.12 = 58,980.80 : x
  2. Step 2: Convert to fraction form
    92,359.28/138,312.12 = 58,980.80/x
  3. Step 3: Cross multiply
    92,359.28x = 138,312.12 × 58,980.80
  4. Step 4: Simplify right side
    92,359.28x = 8,157,759,487.30
  5. Step 5: Solve for x
    x = 8,157,759,487.30/92,359.28
  6. Step 6: Final answer
    x = 88,326.37

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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.