Home / 129,973.84-194,979.33-40,024.15

Finding the Fourth Proportional to 129,973.84, 194,979.33 and 40,024.15

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Solution

The fourth proportional to 129,973.84, 194,979.33 and 40,024.15 is: 60,041.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,973.84 : 194,979.33 = 40,024.15 : x
  2. Step 2: Convert to fraction form
    129,973.84/194,979.33 = 40,024.15/x
  3. Step 3: Cross multiply
    129,973.84x = 194,979.33 × 40,024.15
  4. Step 4: Simplify right side
    129,973.84x = 7,803,881,950.82
  5. Step 5: Solve for x
    x = 7,803,881,950.82/129,973.84
  6. Step 6: Final answer
    x = 60,041.94

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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.