Home / 247,082.40-340,973.55-133,905.15

Finding the Fourth Proportional to 247,082.40, 340,973.55 and 133,905.15

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Solution

The fourth proportional to 247,082.40, 340,973.55 and 133,905.15 is: 184,789.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,082.40 : 340,973.55 = 133,905.15 : x
  2. Step 2: Convert to fraction form
    247,082.40/340,973.55 = 133,905.15/x
  3. Step 3: Cross multiply
    247,082.40x = 340,973.55 × 133,905.15
  4. Step 4: Simplify right side
    247,082.40x = 45,658,114,358.78
  5. Step 5: Solve for x
    x = 45,658,114,358.78/247,082.40
  6. Step 6: Final answer
    x = 184,789.02

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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.