Home / 249,856.32-344,805.12-136,680.96

Finding the Fourth Proportional to 249,856.32, 344,805.12 and 136,680.96

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Solution

The fourth proportional to 249,856.32, 344,805.12 and 136,680.96 is: 188,621.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,856.32 : 344,805.12 = 136,680.96 : x
  2. Step 2: Convert to fraction form
    249,856.32/344,805.12 = 136,680.96/x
  3. Step 3: Cross multiply
    249,856.32x = 344,805.12 × 136,680.96
  4. Step 4: Simplify right side
    249,856.32x = 47,128,294,814.52
  5. Step 5: Solve for x
    x = 47,128,294,814.52/249,856.32
  6. Step 6: Final answer
    x = 188,621.58

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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.