Home / 121,325.70-181,988.55-110,439.30

Finding the Fourth Proportional to 121,325.70, 181,988.55 and 110,439.30

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Solution

The fourth proportional to 121,325.70, 181,988.55 and 110,439.30 is: 165,658.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,325.70 : 181,988.55 = 110,439.30 : x
  2. Step 2: Convert to fraction form
    121,325.70/181,988.55 = 110,439.30/x
  3. Step 3: Cross multiply
    121,325.70x = 181,988.55 × 110,439.30
  4. Step 4: Simplify right side
    121,325.70x = 20,098,688,070.02
  5. Step 5: Solve for x
    x = 20,098,688,070.02/121,325.70
  6. Step 6: Final answer
    x = 165,658.95

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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.