Home / 160,328.16-221,253.12-88,711.20

Finding the Fourth Proportional to 160,328.16, 221,253.12 and 88,711.20

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Solution

The fourth proportional to 160,328.16, 221,253.12 and 88,711.20 is: 122,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,328.16 : 221,253.12 = 88,711.20 : x
  2. Step 2: Convert to fraction form
    160,328.16/221,253.12 = 88,711.20/x
  3. Step 3: Cross multiply
    160,328.16x = 221,253.12 × 88,711.20
  4. Step 4: Simplify right side
    160,328.16x = 19,627,629,778.94
  5. Step 5: Solve for x
    x = 19,627,629,778.94/160,328.16
  6. Step 6: Final answer
    x = 122,421.60

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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.