Home / 161,113.72-222,337.05-88,521.29

Finding the Fourth Proportional to 161,113.72, 222,337.05 and 88,521.29

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Solution

The fourth proportional to 161,113.72, 222,337.05 and 88,521.29 is: 122,159.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,113.72 : 222,337.05 = 88,521.29 : x
  2. Step 2: Convert to fraction form
    161,113.72/222,337.05 = 88,521.29/x
  3. Step 3: Cross multiply
    161,113.72x = 222,337.05 × 88,521.29
  4. Step 4: Simplify right side
    161,113.72x = 19,681,562,480.79
  5. Step 5: Solve for x
    x = 19,681,562,480.79/161,113.72
  6. Step 6: Final answer
    x = 122,159.44

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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.