Home / 91,482.12-137,194.02-29,138.04

Finding the Fourth Proportional to 91,482.12, 137,194.02 and 29,138.04

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Solution

The fourth proportional to 91,482.12, 137,194.02 and 29,138.04 is: 43,697.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,482.12 : 137,194.02 = 29,138.04 : x
  2. Step 2: Convert to fraction form
    91,482.12/137,194.02 = 29,138.04/x
  3. Step 3: Cross multiply
    91,482.12x = 137,194.02 × 29,138.04
  4. Step 4: Simplify right side
    91,482.12x = 3,997,564,842.52
  5. Step 5: Solve for x
    x = 3,997,564,842.52/91,482.12
  6. Step 6: Final answer
    x = 43,697.77

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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.