Home / 247,822.13-342,023.70-147,220.13

Finding the Fourth Proportional to 247,822.13, 342,023.70 and 147,220.13

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Solution

The fourth proportional to 247,822.13, 342,023.70 and 147,220.13 is: 203,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,822.13 : 342,023.70 = 147,220.13 : x
  2. Step 2: Convert to fraction form
    247,822.13/342,023.70 = 147,220.13/x
  3. Step 3: Cross multiply
    247,822.13x = 342,023.70 × 147,220.13
  4. Step 4: Simplify right side
    247,822.13x = 50,352,771,866.96
  5. Step 5: Solve for x
    x = 50,352,771,866.96/247,822.13
  6. Step 6: Final answer
    x = 203,181.10

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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.