Home / 130,885.65-196,286.85-42,118.47

Finding the Fourth Proportional to 130,885.65, 196,286.85 and 42,118.47

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Solution

The fourth proportional to 130,885.65, 196,286.85 and 42,118.47 is: 63,164.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,885.65 : 196,286.85 = 42,118.47 : x
  2. Step 2: Convert to fraction form
    130,885.65/196,286.85 = 42,118.47/x
  3. Step 3: Cross multiply
    130,885.65x = 196,286.85 × 42,118.47
  4. Step 4: Simplify right side
    130,885.65x = 8,267,301,803.12
  5. Step 5: Solve for x
    x = 8,267,301,803.12/130,885.65
  6. Step 6: Final answer
    x = 63,164.31

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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.