Home / 115,475.52-159,267.96-79,725.36

Finding the Fourth Proportional to 115,475.52, 159,267.96 and 79,725.36

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Solution

The fourth proportional to 115,475.52, 159,267.96 and 79,725.36 is: 109,960.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,475.52 : 159,267.96 = 79,725.36 : x
  2. Step 2: Convert to fraction form
    115,475.52/159,267.96 = 79,725.36/x
  3. Step 3: Cross multiply
    115,475.52x = 159,267.96 × 79,725.36
  4. Step 4: Simplify right side
    115,475.52x = 12,697,695,447.47
  5. Step 5: Solve for x
    x = 12,697,695,447.47/115,475.52
  6. Step 6: Final answer
    x = 109,960.06

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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.