Home / 115,277.68-159,084.10-64,293.65

Finding the Fourth Proportional to 115,277.68, 159,084.10 and 64,293.65

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Solution

The fourth proportional to 115,277.68, 159,084.10 and 64,293.65 is: 88,725.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,277.68 : 159,084.10 = 64,293.65 : x
  2. Step 2: Convert to fraction form
    115,277.68/159,084.10 = 64,293.65/x
  3. Step 3: Cross multiply
    115,277.68x = 159,084.10 × 64,293.65
  4. Step 4: Simplify right side
    115,277.68x = 10,228,097,327.48
  5. Step 5: Solve for x
    x = 10,228,097,327.48/115,277.68
  6. Step 6: Final answer
    x = 88,725.74

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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.