Home / 140,204.32-193,472.96-76,541.96

Finding the Fourth Proportional to 140,204.32, 193,472.96 and 76,541.96

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Solution

The fourth proportional to 140,204.32, 193,472.96 and 76,541.96 is: 105,622.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,204.32 : 193,472.96 = 76,541.96 : x
  2. Step 2: Convert to fraction form
    140,204.32/193,472.96 = 76,541.96/x
  3. Step 3: Cross multiply
    140,204.32x = 193,472.96 × 76,541.96
  4. Step 4: Simplify right side
    140,204.32x = 14,808,799,666.37
  5. Step 5: Solve for x
    x = 14,808,799,666.37/140,204.32
  6. Step 6: Final answer
    x = 105,622.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.