Home / 176,439.60-264,562.20-71,139.60

Finding the Fourth Proportional to 176,439.60, 264,562.20 and 71,139.60

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Solution

The fourth proportional to 176,439.60, 264,562.20 and 71,139.60 is: 106,670.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,439.60 : 264,562.20 = 71,139.60 : x
  2. Step 2: Convert to fraction form
    176,439.60/264,562.20 = 71,139.60/x
  3. Step 3: Cross multiply
    176,439.60x = 264,562.20 × 71,139.60
  4. Step 4: Simplify right side
    176,439.60x = 18,820,849,083.12
  5. Step 5: Solve for x
    x = 18,820,849,083.12/176,439.60
  6. Step 6: Final answer
    x = 106,670.21

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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.