Home / 178,112.12-267,168.18-79,547

Finding the Fourth Proportional to 178,112.12, 267,168.18 and 79,547

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Solution

The fourth proportional to 178,112.12, 267,168.18 and 79,547 is: 119,320.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,112.12 : 267,168.18 = 79,547 : x
  2. Step 2: Convert to fraction form
    178,112.12/267,168.18 = 79,547/x
  3. Step 3: Cross multiply
    178,112.12x = 267,168.18 × 79,547
  4. Step 4: Simplify right side
    178,112.12x = 21,252,427,214.46
  5. Step 5: Solve for x
    x = 21,252,427,214.46/178,112.12
  6. Step 6: Final answer
    x = 119,320.50

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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.