Home / 118,239.88-163,191.30-112,925.32

Finding the Fourth Proportional to 118,239.88, 163,191.30 and 112,925.32

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Solution

The fourth proportional to 118,239.88, 163,191.30 and 112,925.32 is: 155,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,239.88 : 163,191.30 = 112,925.32 : x
  2. Step 2: Convert to fraction form
    118,239.88/163,191.30 = 112,925.32/x
  3. Step 3: Cross multiply
    118,239.88x = 163,191.30 × 112,925.32
  4. Step 4: Simplify right side
    118,239.88x = 18,428,429,773.72
  5. Step 5: Solve for x
    x = 18,428,429,773.72/118,239.88
  6. Step 6: Final answer
    x = 155,856.30

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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.