Home / 194,981.70-292,472.55-145,215.30

Finding the Fourth Proportional to 194,981.70, 292,472.55 and 145,215.30

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Solution

The fourth proportional to 194,981.70, 292,472.55 and 145,215.30 is: 217,822.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,981.70 : 292,472.55 = 145,215.30 : x
  2. Step 2: Convert to fraction form
    194,981.70/292,472.55 = 145,215.30/x
  3. Step 3: Cross multiply
    194,981.70x = 292,472.55 × 145,215.30
  4. Step 4: Simplify right side
    194,981.70x = 42,471,489,090.02
  5. Step 5: Solve for x
    x = 42,471,489,090.02/194,981.70
  6. Step 6: Final answer
    x = 217,822.95

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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.