Home / 114,520.30-157,925.46-87,365.86

Finding the Fourth Proportional to 114,520.30, 157,925.46 and 87,365.86

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Solution

The fourth proportional to 114,520.30, 157,925.46 and 87,365.86 is: 120,479.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,520.30 : 157,925.46 = 87,365.86 : x
  2. Step 2: Convert to fraction form
    114,520.30/157,925.46 = 87,365.86/x
  3. Step 3: Cross multiply
    114,520.30x = 157,925.46 × 87,365.86
  4. Step 4: Simplify right side
    114,520.30x = 13,797,293,628.80
  5. Step 5: Solve for x
    x = 13,797,293,628.80/114,520.30
  6. Step 6: Final answer
    x = 120,479.02

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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.