Home / 178,081.34-267,130.20-99,136.10

Finding the Fourth Proportional to 178,081.34, 267,130.20 and 99,136.10

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Solution

The fourth proportional to 178,081.34, 267,130.20 and 99,136.10 is: 148,708.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,081.34 : 267,130.20 = 99,136.10 : x
  2. Step 2: Convert to fraction form
    178,081.34/267,130.20 = 99,136.10/x
  3. Step 3: Cross multiply
    178,081.34x = 267,130.20 × 99,136.10
  4. Step 4: Simplify right side
    178,081.34x = 26,482,247,259.81
  5. Step 5: Solve for x
    x = 26,482,247,259.81/178,081.34
  6. Step 6: Final answer
    x = 148,708.72

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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.