Home / 160,862.32-221,954.29-92,864.53

Finding the Fourth Proportional to 160,862.32, 221,954.29 and 92,864.53

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Solution

The fourth proportional to 160,862.32, 221,954.29 and 92,864.53 is: 128,132.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,862.32 : 221,954.29 = 92,864.53 : x
  2. Step 2: Convert to fraction form
    160,862.32/221,954.29 = 92,864.53/x
  3. Step 3: Cross multiply
    160,862.32x = 221,954.29 × 92,864.53
  4. Step 4: Simplify right side
    160,862.32x = 20,611,680,822.33
  5. Step 5: Solve for x
    x = 20,611,680,822.33/160,862.32
  6. Step 6: Final answer
    x = 128,132.44

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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.