Home / 159,636.30-220,297.91-88,017.45

Finding the Fourth Proportional to 159,636.30, 220,297.91 and 88,017.45

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Solution

The fourth proportional to 159,636.30, 220,297.91 and 88,017.45 is: 121,463.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,636.30 : 220,297.91 = 88,017.45 : x
  2. Step 2: Convert to fraction form
    159,636.30/220,297.91 = 88,017.45/x
  3. Step 3: Cross multiply
    159,636.30x = 220,297.91 × 88,017.45
  4. Step 4: Simplify right side
    159,636.30x = 19,390,059,838.44
  5. Step 5: Solve for x
    x = 19,390,059,838.44/159,636.30
  6. Step 6: Final answer
    x = 121,463.98

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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.