Home / 249,789.18-344,711.79-136,609.50

Finding the Fourth Proportional to 249,789.18, 344,711.79 and 136,609.50

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Solution

The fourth proportional to 249,789.18, 344,711.79 and 136,609.50 is: 188,522.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,789.18 : 344,711.79 = 136,609.50 : x
  2. Step 2: Convert to fraction form
    249,789.18/344,711.79 = 136,609.50/x
  3. Step 3: Cross multiply
    249,789.18x = 344,711.79 × 136,609.50
  4. Step 4: Simplify right side
    249,789.18x = 47,090,905,276.01
  5. Step 5: Solve for x
    x = 47,090,905,276.01/249,789.18
  6. Step 6: Final answer
    x = 188,522.60

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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.