Home / 249,962.28-344,947.92-136,785

Finding the Fourth Proportional to 249,962.28, 344,947.92 and 136,785

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Solution

The fourth proportional to 249,962.28, 344,947.92 and 136,785 is: 188,763.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,962.28 : 344,947.92 = 136,785 : x
  2. Step 2: Convert to fraction form
    249,962.28/344,947.92 = 136,785/x
  3. Step 3: Cross multiply
    249,962.28x = 344,947.92 × 136,785
  4. Step 4: Simplify right side
    249,962.28x = 47,183,701,237.20
  5. Step 5: Solve for x
    x = 47,183,701,237.20/249,962.28
  6. Step 6: Final answer
    x = 188,763.29

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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.