Home / 187,210.34-280,926.78-68,964.71

Finding the Fourth Proportional to 187,210.34, 280,926.78 and 68,964.71

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Solution

The fourth proportional to 187,210.34, 280,926.78 and 68,964.71 is: 103,488.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,210.34 : 280,926.78 = 68,964.71 : x
  2. Step 2: Convert to fraction form
    187,210.34/280,926.78 = 68,964.71/x
  3. Step 3: Cross multiply
    187,210.34x = 280,926.78 × 68,964.71
  4. Step 4: Simplify right side
    187,210.34x = 19,374,033,569.11
  5. Step 5: Solve for x
    x = 19,374,033,569.11/187,210.34
  6. Step 6: Final answer
    x = 103,488.06

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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.