Home / 131,320.46-197,011.88-42,574.03

Finding the Fourth Proportional to 131,320.46, 197,011.88 and 42,574.03

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Solution

The fourth proportional to 131,320.46, 197,011.88 and 42,574.03 is: 63,871.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,320.46 : 197,011.88 = 42,574.03 : x
  2. Step 2: Convert to fraction form
    131,320.46/197,011.88 = 42,574.03/x
  3. Step 3: Cross multiply
    131,320.46x = 197,011.88 × 42,574.03
  4. Step 4: Simplify right side
    131,320.46x = 8,387,589,689.48
  5. Step 5: Solve for x
    x = 8,387,589,689.48/131,320.46
  6. Step 6: Final answer
    x = 63,871.16

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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.