Home / 178,002.40-266,679.60-140,807.20

Finding the Fourth Proportional to 178,002.40, 266,679.60 and 140,807.20

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Solution

The fourth proportional to 178,002.40, 266,679.60 and 140,807.20 is: 210,954.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,002.40 : 266,679.60 = 140,807.20 : x
  2. Step 2: Convert to fraction form
    178,002.40/266,679.60 = 140,807.20/x
  3. Step 3: Cross multiply
    178,002.40x = 266,679.60 × 140,807.20
  4. Step 4: Simplify right side
    178,002.40x = 37,550,407,773.12
  5. Step 5: Solve for x
    x = 37,550,407,773.12/178,002.40
  6. Step 6: Final answer
    x = 210,954.50

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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.