Home / 144,002.70-215,744.85-117,564.30

Finding the Fourth Proportional to 144,002.70, 215,744.85 and 117,564.30

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Solution

The fourth proportional to 144,002.70, 215,744.85 and 117,564.30 is: 176,134.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,002.70 : 215,744.85 = 117,564.30 : x
  2. Step 2: Convert to fraction form
    144,002.70/215,744.85 = 117,564.30/x
  3. Step 3: Cross multiply
    144,002.70x = 215,744.85 × 117,564.30
  4. Step 4: Simplify right side
    144,002.70x = 25,363,892,268.86
  5. Step 5: Solve for x
    x = 25,363,892,268.86/144,002.70
  6. Step 6: Final answer
    x = 176,134.84

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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.