Home / 132,225.60-182,445.67-78,527.46

Finding the Fourth Proportional to 132,225.60, 182,445.67 and 78,527.46

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Solution

The fourth proportional to 132,225.60, 182,445.67 and 78,527.46 is: 108,352.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,225.60 : 182,445.67 = 78,527.46 : x
  2. Step 2: Convert to fraction form
    132,225.60/182,445.67 = 78,527.46/x
  3. Step 3: Cross multiply
    132,225.60x = 182,445.67 × 78,527.46
  4. Step 4: Simplify right side
    132,225.60x = 14,326,994,660.46
  5. Step 5: Solve for x
    x = 14,326,994,660.46/132,225.60
  6. Step 6: Final answer
    x = 108,352.65

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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.