Home / 112,238.40-168,590.88-89,027.04

Finding the Fourth Proportional to 112,238.40, 168,590.88 and 89,027.04

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Solution

The fourth proportional to 112,238.40, 168,590.88 and 89,027.04 is: 133,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,238.40 : 168,590.88 = 89,027.04 : x
  2. Step 2: Convert to fraction form
    112,238.40/168,590.88 = 89,027.04/x
  3. Step 3: Cross multiply
    112,238.40x = 168,590.88 × 89,027.04
  4. Step 4: Simplify right side
    112,238.40x = 15,009,147,017.40
  5. Step 5: Solve for x
    x = 15,009,147,017.40/112,238.40
  6. Step 6: Final answer
    x = 133,725.60

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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.