Home / 249,903.28-344,865.18-136,725.76

Finding the Fourth Proportional to 249,903.28, 344,865.18 and 136,725.76

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Solution

The fourth proportional to 249,903.28, 344,865.18 and 136,725.76 is: 188,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,903.28 : 344,865.18 = 136,725.76 : x
  2. Step 2: Convert to fraction form
    249,903.28/344,865.18 = 136,725.76/x
  3. Step 3: Cross multiply
    249,903.28x = 344,865.18 × 136,725.76
  4. Step 4: Simplify right side
    249,903.28x = 47,151,953,833.04
  5. Step 5: Solve for x
    x = 47,151,953,833.04/249,903.28
  6. Step 6: Final answer
    x = 188,680.81

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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.