Home / 130,864.61-196,291.45-42,116.15

Finding the Fourth Proportional to 130,864.61, 196,291.45 and 42,116.15

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Solution

The fourth proportional to 130,864.61, 196,291.45 and 42,116.15 is: 63,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,864.61 : 196,291.45 = 42,116.15 : x
  2. Step 2: Convert to fraction form
    130,864.61/196,291.45 = 42,116.15/x
  3. Step 3: Cross multiply
    130,864.61x = 196,291.45 × 42,116.15
  4. Step 4: Simplify right side
    130,864.61x = 8,267,040,695.29
  5. Step 5: Solve for x
    x = 8,267,040,695.29/130,864.61
  6. Step 6: Final answer
    x = 63,172.47

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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.