Home / 207,788.84-286,890.90-132,439.40

Finding the Fourth Proportional to 207,788.84, 286,890.90 and 132,439.40

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Solution

The fourth proportional to 207,788.84, 286,890.90 and 132,439.40 is: 182,857.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,788.84 : 286,890.90 = 132,439.40 : x
  2. Step 2: Convert to fraction form
    207,788.84/286,890.90 = 132,439.40/x
  3. Step 3: Cross multiply
    207,788.84x = 286,890.90 × 132,439.40
  4. Step 4: Simplify right side
    207,788.84x = 37,995,658,661.46
  5. Step 5: Solve for x
    x = 37,995,658,661.46/207,788.84
  6. Step 6: Final answer
    x = 182,857.07

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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.