Home / 94,419.30-130,302.35-51,981.78

Finding the Fourth Proportional to 94,419.30, 130,302.35 and 51,981.78

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Solution

The fourth proportional to 94,419.30, 130,302.35 and 51,981.78 is: 71,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,419.30 : 130,302.35 = 51,981.78 : x
  2. Step 2: Convert to fraction form
    94,419.30/130,302.35 = 51,981.78/x
  3. Step 3: Cross multiply
    94,419.30x = 130,302.35 × 51,981.78
  4. Step 4: Simplify right side
    94,419.30x = 6,773,348,091.18
  5. Step 5: Solve for x
    x = 6,773,348,091.18/94,419.30
  6. Step 6: Final answer
    x = 71,736.90

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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.