Home / 180,301.20-270,457.92-61,971.72

Finding the Fourth Proportional to 180,301.20, 270,457.92 and 61,971.72

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Solution

The fourth proportional to 180,301.20, 270,457.92 and 61,971.72 is: 92,959.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,301.20 : 270,457.92 = 61,971.72 : x
  2. Step 2: Convert to fraction form
    180,301.20/270,457.92 = 61,971.72/x
  3. Step 3: Cross multiply
    180,301.20x = 270,457.92 × 61,971.72
  4. Step 4: Simplify right side
    180,301.20x = 16,760,742,490.02
  5. Step 5: Solve for x
    x = 16,760,742,490.02/180,301.20
  6. Step 6: Final answer
    x = 92,959.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.