Home / 127,528.24-191,642.28-120,282

Finding the Fourth Proportional to 127,528.24, 191,642.28 and 120,282

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Solution

The fourth proportional to 127,528.24, 191,642.28 and 120,282 is: 180,753.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,528.24 : 191,642.28 = 120,282 : x
  2. Step 2: Convert to fraction form
    127,528.24/191,642.28 = 120,282/x
  3. Step 3: Cross multiply
    127,528.24x = 191,642.28 × 120,282
  4. Step 4: Simplify right side
    127,528.24x = 23,051,116,722.96
  5. Step 5: Solve for x
    x = 23,051,116,722.96/127,528.24
  6. Step 6: Final answer
    x = 180,753.04

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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.