Home / 129,482.21-194,192.55-49,490.81

Finding the Fourth Proportional to 129,482.21, 194,192.55 and 49,490.81

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Solution

The fourth proportional to 129,482.21, 194,192.55 and 49,490.81 is: 74,224.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,482.21 : 194,192.55 = 49,490.81 : x
  2. Step 2: Convert to fraction form
    129,482.21/194,192.55 = 49,490.81/x
  3. Step 3: Cross multiply
    129,482.21x = 194,192.55 × 49,490.81
  4. Step 4: Simplify right side
    129,482.21x = 9,610,746,695.40
  5. Step 5: Solve for x
    x = 9,610,746,695.40/129,482.21
  6. Step 6: Final answer
    x = 74,224.46

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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.