Home / 114,519.30-157,924.08-87,364.86

Finding the Fourth Proportional to 114,519.30, 157,924.08 and 87,364.86

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Solution

The fourth proportional to 114,519.30, 157,924.08 and 87,364.86 is: 120,477.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,519.30 : 157,924.08 = 87,364.86 : x
  2. Step 2: Convert to fraction form
    114,519.30/157,924.08 = 87,364.86/x
  3. Step 3: Cross multiply
    114,519.30x = 157,924.08 × 87,364.86
  4. Step 4: Simplify right side
    114,519.30x = 13,797,015,139.83
  5. Step 5: Solve for x
    x = 13,797,015,139.83/114,519.30
  6. Step 6: Final answer
    x = 120,477.64

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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.