Home / 249,834.78-344,772.45-136,657.53

Finding the Fourth Proportional to 249,834.78, 344,772.45 and 136,657.53

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Solution

The fourth proportional to 249,834.78, 344,772.45 and 136,657.53 is: 188,587.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,834.78 : 344,772.45 = 136,657.53 : x
  2. Step 2: Convert to fraction form
    249,834.78/344,772.45 = 136,657.53/x
  3. Step 3: Cross multiply
    249,834.78x = 344,772.45 × 136,657.53
  4. Step 4: Simplify right side
    249,834.78x = 47,115,751,429.05
  5. Step 5: Solve for x
    x = 47,115,751,429.05/249,834.78
  6. Step 6: Final answer
    x = 188,587.64

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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.