Home / 249,314.64-344,068.20-136,147.92

Finding the Fourth Proportional to 249,314.64, 344,068.20 and 136,147.92

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Solution

The fourth proportional to 249,314.64, 344,068.20 and 136,147.92 is: 187,891.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,314.64 : 344,068.20 = 136,147.92 : x
  2. Step 2: Convert to fraction form
    249,314.64/344,068.20 = 136,147.92/x
  3. Step 3: Cross multiply
    249,314.64x = 344,068.20 × 136,147.92
  4. Step 4: Simplify right side
    249,314.64x = 46,844,169,768.14
  5. Step 5: Solve for x
    x = 46,844,169,768.14/249,314.64
  6. Step 6: Final answer
    x = 187,891.77

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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.