Home / 249,890.52-344,849-136,715.68

Finding the Fourth Proportional to 249,890.52, 344,849 and 136,715.68

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Solution

The fourth proportional to 249,890.52, 344,849 and 136,715.68 is: 188,667.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,890.52 : 344,849 = 136,715.68 : x
  2. Step 2: Convert to fraction form
    249,890.52/344,849 = 136,715.68/x
  3. Step 3: Cross multiply
    249,890.52x = 344,849 × 136,715.68
  4. Step 4: Simplify right side
    249,890.52x = 47,146,265,532.32
  5. Step 5: Solve for x
    x = 47,146,265,532.32/249,890.52
  6. Step 6: Final answer
    x = 188,667.68

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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.