Home / 160,607.28-221,630.58-88,009.74

Finding the Fourth Proportional to 160,607.28, 221,630.58 and 88,009.74

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Solution

The fourth proportional to 160,607.28, 221,630.58 and 88,009.74 is: 121,449.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,607.28 : 221,630.58 = 88,009.74 : x
  2. Step 2: Convert to fraction form
    160,607.28/221,630.58 = 88,009.74/x
  3. Step 3: Cross multiply
    160,607.28x = 221,630.58 × 88,009.74
  4. Step 4: Simplify right side
    160,607.28x = 19,505,649,721.85
  5. Step 5: Solve for x
    x = 19,505,649,721.85/160,607.28
  6. Step 6: Final answer
    x = 121,449.35

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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.