Home / 94,419.59-130,298.68-51,978.11

Finding the Fourth Proportional to 94,419.59, 130,298.68 and 51,978.11

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Solution

The fourth proportional to 94,419.59, 130,298.68 and 51,978.11 is: 71,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,419.59 : 130,298.68 = 51,978.11 : x
  2. Step 2: Convert to fraction form
    94,419.59/130,298.68 = 51,978.11/x
  3. Step 3: Cross multiply
    94,419.59x = 130,298.68 × 51,978.11
  4. Step 4: Simplify right side
    94,419.59x = 6,772,679,317.70
  5. Step 5: Solve for x
    x = 6,772,679,317.70/94,419.59
  6. Step 6: Final answer
    x = 71,729.60

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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.