Home / 249,901.48-374,685.40-137,634.85

Finding the Fourth Proportional to 249,901.48, 374,685.40 and 137,634.85

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Solution

The fourth proportional to 249,901.48, 374,685.40 and 137,634.85 is: 206,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,901.48 : 374,685.40 = 137,634.85 : x
  2. Step 2: Convert to fraction form
    249,901.48/374,685.40 = 137,634.85/x
  3. Step 3: Cross multiply
    249,901.48x = 374,685.40 × 137,634.85
  4. Step 4: Simplify right side
    249,901.48x = 51,569,768,826.19
  5. Step 5: Solve for x
    x = 51,569,768,826.19/249,901.48
  6. Step 6: Final answer
    x = 206,360.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.