Home / 159,079.50-219,349.35-101,642.94

Finding the Fourth Proportional to 159,079.50, 219,349.35 and 101,642.94

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Solution

The fourth proportional to 159,079.50, 219,349.35 and 101,642.94 is: 140,152.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,079.50 : 219,349.35 = 101,642.94 : x
  2. Step 2: Convert to fraction form
    159,079.50/219,349.35 = 101,642.94/x
  3. Step 3: Cross multiply
    159,079.50x = 219,349.35 × 101,642.94
  4. Step 4: Simplify right side
    159,079.50x = 22,295,312,821.09
  5. Step 5: Solve for x
    x = 22,295,312,821.09/159,079.50
  6. Step 6: Final answer
    x = 140,152.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.