Home / 194,971.20-292,456.78-70,312.20

Finding the Fourth Proportional to 194,971.20, 292,456.78 and 70,312.20

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Solution

The fourth proportional to 194,971.20, 292,456.78 and 70,312.20 is: 105,468.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,971.20 : 292,456.78 = 70,312.20 : x
  2. Step 2: Convert to fraction form
    194,971.20/292,456.78 = 70,312.20/x
  3. Step 3: Cross multiply
    194,971.20x = 292,456.78 × 70,312.20
  4. Step 4: Simplify right side
    194,971.20x = 20,563,279,606.72
  5. Step 5: Solve for x
    x = 20,563,279,606.72/194,971.20
  6. Step 6: Final answer
    x = 105,468.29

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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.