Home / 195,047.10-292,626.70-81,172.76

Finding the Fourth Proportional to 195,047.10, 292,626.70 and 81,172.76

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Solution

The fourth proportional to 195,047.10, 292,626.70 and 81,172.76 is: 121,782.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,047.10 : 292,626.70 = 81,172.76 : x
  2. Step 2: Convert to fraction form
    195,047.10/292,626.70 = 81,172.76/x
  3. Step 3: Cross multiply
    195,047.10x = 292,626.70 × 81,172.76
  4. Step 4: Simplify right side
    195,047.10x = 23,753,316,888.69
  5. Step 5: Solve for x
    x = 23,753,316,888.69/195,047.10
  6. Step 6: Final answer
    x = 121,782.47

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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.