Home / 112,410.40-168,625.20-38,538.40

Finding the Fourth Proportional to 112,410.40, 168,625.20 and 38,538.40

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Solution

The fourth proportional to 112,410.40, 168,625.20 and 38,538.40 is: 57,810.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,410.40 : 168,625.20 = 38,538.40 : x
  2. Step 2: Convert to fraction form
    112,410.40/168,625.20 = 38,538.40/x
  3. Step 3: Cross multiply
    112,410.40x = 168,625.20 × 38,538.40
  4. Step 4: Simplify right side
    112,410.40x = 6,498,545,407.68
  5. Step 5: Solve for x
    x = 6,498,545,407.68/112,410.40
  6. Step 6: Final answer
    x = 57,810.89

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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.