Home / 120,392.56-180,454.38-106,386.04

Finding the Fourth Proportional to 120,392.56, 180,454.38 and 106,386.04

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Solution

The fourth proportional to 120,392.56, 180,454.38 and 106,386.04 is: 159,460.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,392.56 : 180,454.38 = 106,386.04 : x
  2. Step 2: Convert to fraction form
    120,392.56/180,454.38 = 106,386.04/x
  3. Step 3: Cross multiply
    120,392.56x = 180,454.38 × 106,386.04
  4. Step 4: Simplify right side
    120,392.56x = 19,197,826,888.86
  5. Step 5: Solve for x
    x = 19,197,826,888.86/120,392.56
  6. Step 6: Final answer
    x = 159,460.24

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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.