Home / 112,592.22-155,398.11-72,356.28

Finding the Fourth Proportional to 112,592.22, 155,398.11 and 72,356.28

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Solution

The fourth proportional to 112,592.22, 155,398.11 and 72,356.28 is: 99,865.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,592.22 : 155,398.11 = 72,356.28 : x
  2. Step 2: Convert to fraction form
    112,592.22/155,398.11 = 72,356.28/x
  3. Step 3: Cross multiply
    112,592.22x = 155,398.11 × 72,356.28
  4. Step 4: Simplify right side
    112,592.22x = 11,244,029,158.63
  5. Step 5: Solve for x
    x = 11,244,029,158.63/112,592.22
  6. Step 6: Final answer
    x = 99,865.06

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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.