Home / 136,947.10-205,420.65-48,300.70

Finding the Fourth Proportional to 136,947.10, 205,420.65 and 48,300.70

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Solution

The fourth proportional to 136,947.10, 205,420.65 and 48,300.70 is: 72,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,947.10 : 205,420.65 = 48,300.70 : x
  2. Step 2: Convert to fraction form
    136,947.10/205,420.65 = 48,300.70/x
  3. Step 3: Cross multiply
    136,947.10x = 205,420.65 × 48,300.70
  4. Step 4: Simplify right side
    136,947.10x = 9,921,961,189.46
  5. Step 5: Solve for x
    x = 9,921,961,189.46/136,947.10
  6. Step 6: Final answer
    x = 72,451.05

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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.