Home / 112,239.40-168,592.38-89,028.04

Finding the Fourth Proportional to 112,239.40, 168,592.38 and 89,028.04

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Solution

The fourth proportional to 112,239.40, 168,592.38 and 89,028.04 is: 133,727.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,239.40 : 168,592.38 = 89,028.04 : x
  2. Step 2: Convert to fraction form
    112,239.40/168,592.38 = 89,028.04/x
  3. Step 3: Cross multiply
    112,239.40x = 168,592.38 × 89,028.04
  4. Step 4: Simplify right side
    112,239.40x = 15,009,449,150.34
  5. Step 5: Solve for x
    x = 15,009,449,150.34/112,239.40
  6. Step 6: Final answer
    x = 133,727.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.