Home / 249,488.20-344,293.02-136,311.76

Finding the Fourth Proportional to 249,488.20, 344,293.02 and 136,311.76

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Solution

The fourth proportional to 249,488.20, 344,293.02 and 136,311.76 is: 188,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,488.20 : 344,293.02 = 136,311.76 : x
  2. Step 2: Convert to fraction form
    249,488.20/344,293.02 = 136,311.76/x
  3. Step 3: Cross multiply
    249,488.20x = 344,293.02 × 136,311.76
  4. Step 4: Simplify right side
    249,488.20x = 46,931,187,511.92
  5. Step 5: Solve for x
    x = 46,931,187,511.92/249,488.20
  6. Step 6: Final answer
    x = 188,109.85

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1.5x scale

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.