Home / 120,026.15-180,048.40-35,779.87

Finding the Fourth Proportional to 120,026.15, 180,048.40 and 35,779.87

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Solution

The fourth proportional to 120,026.15, 180,048.40 and 35,779.87 is: 53,672.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,026.15 : 180,048.40 = 35,779.87 : x
  2. Step 2: Convert to fraction form
    120,026.15/180,048.40 = 35,779.87/x
  3. Step 3: Cross multiply
    120,026.15x = 180,048.40 × 35,779.87
  4. Step 4: Simplify right side
    120,026.15x = 6,442,107,445.47
  5. Step 5: Solve for x
    x = 6,442,107,445.47/120,026.15
  6. Step 6: Final answer
    x = 53,672.53

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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.