Home / 247,887.45-342,086.85-134,710.20

Finding the Fourth Proportional to 247,887.45, 342,086.85 and 134,710.20

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Solution

The fourth proportional to 247,887.45, 342,086.85 and 134,710.20 is: 185,901.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,887.45 : 342,086.85 = 134,710.20 : x
  2. Step 2: Convert to fraction form
    247,887.45/342,086.85 = 134,710.20/x
  3. Step 3: Cross multiply
    247,887.45x = 342,086.85 × 134,710.20
  4. Step 4: Simplify right side
    247,887.45x = 46,082,587,980.87
  5. Step 5: Solve for x
    x = 46,082,587,980.87/247,887.45
  6. Step 6: Final answer
    x = 185,901.25

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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.