Home / 160,007.08-220,805.52-88,385.56

Finding the Fourth Proportional to 160,007.08, 220,805.52 and 88,385.56

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Solution

The fourth proportional to 160,007.08, 220,805.52 and 88,385.56 is: 121,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,007.08 : 220,805.52 = 88,385.56 : x
  2. Step 2: Convert to fraction form
    160,007.08/220,805.52 = 88,385.56/x
  3. Step 3: Cross multiply
    160,007.08x = 220,805.52 × 88,385.56
  4. Step 4: Simplify right side
    160,007.08x = 19,516,019,536.29
  5. Step 5: Solve for x
    x = 19,516,019,536.29/160,007.08
  6. Step 6: Final answer
    x = 121,969.72

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1.5x scale

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.