Home / 160,420.57-221,377.70-88,799.05

Finding the Fourth Proportional to 160,420.57, 221,377.70 and 88,799.05

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Solution

The fourth proportional to 160,420.57, 221,377.70 and 88,799.05 is: 122,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,420.57 : 221,377.70 = 88,799.05 : x
  2. Step 2: Convert to fraction form
    160,420.57/221,377.70 = 88,799.05/x
  3. Step 3: Cross multiply
    160,420.57x = 221,377.70 × 88,799.05
  4. Step 4: Simplify right side
    160,420.57x = 19,658,129,451.19
  5. Step 5: Solve for x
    x = 19,658,129,451.19/160,420.57
  6. Step 6: Final answer
    x = 122,541.20

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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.