Home / 140,744.86-194,220.68-77,070.35

Finding the Fourth Proportional to 140,744.86, 194,220.68 and 77,070.35

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Solution

The fourth proportional to 140,744.86, 194,220.68 and 77,070.35 is: 106,353.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,744.86 : 194,220.68 = 77,070.35 : x
  2. Step 2: Convert to fraction form
    140,744.86/194,220.68 = 77,070.35/x
  3. Step 3: Cross multiply
    140,744.86x = 194,220.68 × 77,070.35
  4. Step 4: Simplify right side
    140,744.86x = 14,968,655,885.04
  5. Step 5: Solve for x
    x = 14,968,655,885.04/140,744.86
  6. Step 6: Final answer
    x = 106,353.13

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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.