Home / 207,875.33-286,867.88-112,382

Finding the Fourth Proportional to 207,875.33, 286,867.88 and 112,382

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Solution

The fourth proportional to 207,875.33, 286,867.88 and 112,382 is: 155,087.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,875.33 : 286,867.88 = 112,382 : x
  2. Step 2: Convert to fraction form
    207,875.33/286,867.88 = 112,382/x
  3. Step 3: Cross multiply
    207,875.33x = 286,867.88 × 112,382
  4. Step 4: Simplify right side
    207,875.33x = 32,238,786,090.16
  5. Step 5: Solve for x
    x = 32,238,786,090.16/207,875.33
  6. Step 6: Final answer
    x = 155,087.12

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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.