Home / 132,510.08-182,802.48-78,764.96

Finding the Fourth Proportional to 132,510.08, 182,802.48 and 78,764.96

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Solution

The fourth proportional to 132,510.08, 182,802.48 and 78,764.96 is: 108,659.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,510.08 : 182,802.48 = 78,764.96 : x
  2. Step 2: Convert to fraction form
    132,510.08/182,802.48 = 78,764.96/x
  3. Step 3: Cross multiply
    132,510.08x = 182,802.48 × 78,764.96
  4. Step 4: Simplify right side
    132,510.08x = 14,398,430,025.10
  5. Step 5: Solve for x
    x = 14,398,430,025.10/132,510.08
  6. Step 6: Final answer
    x = 108,659.13

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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.