Home / 130,997.86-196,535.06-42,249.40

Finding the Fourth Proportional to 130,997.86, 196,535.06 and 42,249.40

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Solution

The fourth proportional to 130,997.86, 196,535.06 and 42,249.40 is: 63,386.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,997.86 : 196,535.06 = 42,249.40 : x
  2. Step 2: Convert to fraction form
    130,997.86/196,535.06 = 42,249.40/x
  3. Step 3: Cross multiply
    130,997.86x = 196,535.06 × 42,249.40
  4. Step 4: Simplify right side
    130,997.86x = 8,303,487,170.04
  5. Step 5: Solve for x
    x = 8,303,487,170.04/130,997.86
  6. Step 6: Final answer
    x = 63,386.44

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1.5x scale

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.