Home / 178,428.16-246,213.12-103,000.96

Finding the Fourth Proportional to 178,428.16, 246,213.12 and 103,000.96

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Solution

The fourth proportional to 178,428.16, 246,213.12 and 103,000.96 is: 142,131.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,428.16 : 246,213.12 = 103,000.96 : x
  2. Step 2: Convert to fraction form
    178,428.16/246,213.12 = 103,000.96/x
  3. Step 3: Cross multiply
    178,428.16x = 246,213.12 × 103,000.96
  4. Step 4: Simplify right side
    178,428.16x = 25,360,187,724.60
  5. Step 5: Solve for x
    x = 25,360,187,724.60/178,428.16
  6. Step 6: Final answer
    x = 142,131.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.