Home / 249,214.72-343,915.32-136,037.56

Finding the Fourth Proportional to 249,214.72, 343,915.32 and 136,037.56

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Solution

The fourth proportional to 249,214.72, 343,915.32 and 136,037.56 is: 187,731.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,214.72 : 343,915.32 = 136,037.56 : x
  2. Step 2: Convert to fraction form
    249,214.72/343,915.32 = 136,037.56/x
  3. Step 3: Cross multiply
    249,214.72x = 343,915.32 × 136,037.56
  4. Step 4: Simplify right side
    249,214.72x = 46,785,400,979.42
  5. Step 5: Solve for x
    x = 46,785,400,979.42/249,214.72
  6. Step 6: Final answer
    x = 187,731.29

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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.