Home / 181,325.60-272,085.60-76,155.20

Finding the Fourth Proportional to 181,325.60, 272,085.60 and 76,155.20

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Solution

The fourth proportional to 181,325.60, 272,085.60 and 76,155.20 is: 114,273.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,325.60 : 272,085.60 = 76,155.20 : x
  2. Step 2: Convert to fraction form
    181,325.60/272,085.60 = 76,155.20/x
  3. Step 3: Cross multiply
    181,325.60x = 272,085.60 × 76,155.20
  4. Step 4: Simplify right side
    181,325.60x = 20,720,733,285.12
  5. Step 5: Solve for x
    x = 20,720,733,285.12/181,325.60
  6. Step 6: Final answer
    x = 114,273.62

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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.