Home / 115,445.42-173,173.08-45,339.92

Finding the Fourth Proportional to 115,445.42, 173,173.08 and 45,339.92

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Solution

The fourth proportional to 115,445.42, 173,173.08 and 45,339.92 is: 68,011.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,445.42 : 173,173.08 = 45,339.92 : x
  2. Step 2: Convert to fraction form
    115,445.42/173,173.08 = 45,339.92/x
  3. Step 3: Cross multiply
    115,445.42x = 173,173.08 × 45,339.92
  4. Step 4: Simplify right side
    115,445.42x = 7,851,653,593.35
  5. Step 5: Solve for x
    x = 7,851,653,593.35/115,445.42
  6. Step 6: Final answer
    x = 68,011.82

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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.