Home / 207,789.84-286,892.28-132,440.40

Finding the Fourth Proportional to 207,789.84, 286,892.28 and 132,440.40

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Solution

The fourth proportional to 207,789.84, 286,892.28 and 132,440.40 is: 182,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,789.84 : 286,892.28 = 132,440.40 : x
  2. Step 2: Convert to fraction form
    207,789.84/286,892.28 = 132,440.40/x
  3. Step 3: Cross multiply
    207,789.84x = 286,892.28 × 132,440.40
  4. Step 4: Simplify right side
    207,789.84x = 37,996,128,320.11
  5. Step 5: Solve for x
    x = 37,996,128,320.11/207,789.84
  6. Step 6: Final answer
    x = 182,858.45

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1.5x scale

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.