Home / 143,318.04-215,063.46-49,889.40

Finding the Fourth Proportional to 143,318.04, 215,063.46 and 49,889.40

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Solution

The fourth proportional to 143,318.04, 215,063.46 and 49,889.40 is: 74,864.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,318.04 : 215,063.46 = 49,889.40 : x
  2. Step 2: Convert to fraction form
    143,318.04/215,063.46 = 49,889.40/x
  3. Step 3: Cross multiply
    143,318.04x = 215,063.46 × 49,889.40
  4. Step 4: Simplify right side
    143,318.04x = 10,729,386,981.32
  5. Step 5: Solve for x
    x = 10,729,386,981.32/143,318.04
  6. Step 6: Final answer
    x = 74,864.18

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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.