Home / 160,144.47-221,000.69-88,525.69

Finding the Fourth Proportional to 160,144.47, 221,000.69 and 88,525.69

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Solution

The fourth proportional to 160,144.47, 221,000.69 and 88,525.69 is: 122,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,144.47 : 221,000.69 = 88,525.69 : x
  2. Step 2: Convert to fraction form
    160,144.47/221,000.69 = 88,525.69/x
  3. Step 3: Cross multiply
    160,144.47x = 221,000.69 × 88,525.69
  4. Step 4: Simplify right side
    160,144.47x = 19,564,238,241.54
  5. Step 5: Solve for x
    x = 19,564,238,241.54/160,144.47
  6. Step 6: Final answer
    x = 122,166.18

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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.