Home / 112,335.15-168,456.42-45,730.20

Finding the Fourth Proportional to 112,335.15, 168,456.42 and 45,730.20

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Solution

The fourth proportional to 112,335.15, 168,456.42 and 45,730.20 is: 68,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,335.15 : 168,456.42 = 45,730.20 : x
  2. Step 2: Convert to fraction form
    112,335.15/168,456.42 = 45,730.20/x
  3. Step 3: Cross multiply
    112,335.15x = 168,456.42 × 45,730.20
  4. Step 4: Simplify right side
    112,335.15x = 7,703,545,777.88
  5. Step 5: Solve for x
    x = 7,703,545,777.88/112,335.15
  6. Step 6: Final answer
    x = 68,576.45

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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.