Home / 249,826.50-344,765.43-136,651.68

Finding the Fourth Proportional to 249,826.50, 344,765.43 and 136,651.68

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Solution

The fourth proportional to 249,826.50, 344,765.43 and 136,651.68 is: 188,581.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,826.50 : 344,765.43 = 136,651.68 : x
  2. Step 2: Convert to fraction form
    249,826.50/344,765.43 = 136,651.68/x
  3. Step 3: Cross multiply
    249,826.50x = 344,765.43 × 136,651.68
  4. Step 4: Simplify right side
    249,826.50x = 47,112,775,215.42
  5. Step 5: Solve for x
    x = 47,112,775,215.42/249,826.50
  6. Step 6: Final answer
    x = 188,581.98

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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.