Home / 181,281.34-271,980.10-74,715.20

Finding the Fourth Proportional to 181,281.34, 271,980.10 and 74,715.20

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Solution

The fourth proportional to 181,281.34, 271,980.10 and 74,715.20 is: 112,096.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,281.34 : 271,980.10 = 74,715.20 : x
  2. Step 2: Convert to fraction form
    181,281.34/271,980.10 = 74,715.20/x
  3. Step 3: Cross multiply
    181,281.34x = 271,980.10 × 74,715.20
  4. Step 4: Simplify right side
    181,281.34x = 20,321,047,567.52
  5. Step 5: Solve for x
    x = 20,321,047,567.52/181,281.34
  6. Step 6: Final answer
    x = 112,096.74

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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.