Home / 208,293.06-287,444.70-112,799.92

Finding the Fourth Proportional to 208,293.06, 287,444.70 and 112,799.92

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Solution

The fourth proportional to 208,293.06, 287,444.70 and 112,799.92 is: 155,664.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,293.06 : 287,444.70 = 112,799.92 : x
  2. Step 2: Convert to fraction form
    208,293.06/287,444.70 = 112,799.92/x
  3. Step 3: Cross multiply
    208,293.06x = 287,444.70 × 112,799.92
  4. Step 4: Simplify right side
    208,293.06x = 32,423,739,164.42
  5. Step 5: Solve for x
    x = 32,423,739,164.42/208,293.06
  6. Step 6: Final answer
    x = 155,664.04

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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.