Home / 115,277.35-172,931.14-45,147.55

Finding the Fourth Proportional to 115,277.35, 172,931.14 and 45,147.55

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Solution

The fourth proportional to 115,277.35, 172,931.14 and 45,147.55 is: 67,727.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,277.35 : 172,931.14 = 45,147.55 : x
  2. Step 2: Convert to fraction form
    115,277.35/172,931.14 = 45,147.55/x
  3. Step 3: Cross multiply
    115,277.35x = 172,931.14 × 45,147.55
  4. Step 4: Simplify right side
    115,277.35x = 7,807,416,425.05
  5. Step 5: Solve for x
    x = 7,807,416,425.05/115,277.35
  6. Step 6: Final answer
    x = 67,727.24

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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.