Home / 132,329.69-182,594.40-78,613.32

Finding the Fourth Proportional to 132,329.69, 182,594.40 and 78,613.32

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Solution

The fourth proportional to 132,329.69, 182,594.40 and 78,613.32 is: 108,474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,329.69 : 182,594.40 = 78,613.32 : x
  2. Step 2: Convert to fraction form
    132,329.69/182,594.40 = 78,613.32/x
  3. Step 3: Cross multiply
    132,329.69x = 182,594.40 × 78,613.32
  4. Step 4: Simplify right side
    132,329.69x = 14,354,351,997.41
  5. Step 5: Solve for x
    x = 14,354,351,997.41/132,329.69
  6. Step 6: Final answer
    x = 108,474.16

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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.