Home / 130,676.28-180,374.38-74,125.24

Finding the Fourth Proportional to 130,676.28, 180,374.38 and 74,125.24

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Solution

The fourth proportional to 130,676.28, 180,374.38 and 74,125.24 is: 102,316.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,676.28 : 180,374.38 = 74,125.24 : x
  2. Step 2: Convert to fraction form
    130,676.28/180,374.38 = 74,125.24/x
  3. Step 3: Cross multiply
    130,676.28x = 180,374.38 × 74,125.24
  4. Step 4: Simplify right side
    130,676.28x = 13,370,294,207.35
  5. Step 5: Solve for x
    x = 13,370,294,207.35/130,676.28
  6. Step 6: Final answer
    x = 102,316.15

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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.