Home / 249,680.32-344,560-136,503.04

Finding the Fourth Proportional to 249,680.32, 344,560 and 136,503.04

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Solution

The fourth proportional to 249,680.32, 344,560 and 136,503.04 is: 188,374.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,680.32 : 344,560 = 136,503.04 : x
  2. Step 2: Convert to fraction form
    249,680.32/344,560 = 136,503.04/x
  3. Step 3: Cross multiply
    249,680.32x = 344,560 × 136,503.04
  4. Step 4: Simplify right side
    249,680.32x = 47,033,487,462.40
  5. Step 5: Solve for x
    x = 47,033,487,462.40/249,680.32
  6. Step 6: Final answer
    x = 188,374.83

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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.