Home / 120,333.27-180,646.79-115,576.41

Finding the Fourth Proportional to 120,333.27, 180,646.79 and 115,576.41

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Solution

The fourth proportional to 120,333.27, 180,646.79 and 115,576.41 is: 173,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,333.27 : 180,646.79 = 115,576.41 : x
  2. Step 2: Convert to fraction form
    120,333.27/180,646.79 = 115,576.41/x
  3. Step 3: Cross multiply
    120,333.27x = 180,646.79 × 115,576.41
  4. Step 4: Simplify right side
    120,333.27x = 20,878,506,888.34
  5. Step 5: Solve for x
    x = 20,878,506,888.34/120,333.27
  6. Step 6: Final answer
    x = 173,505.69

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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.