Home / 249,385.20-374,077.80-124,681.20

Finding the Fourth Proportional to 249,385.20, 374,077.80 and 124,681.20

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Solution

The fourth proportional to 249,385.20, 374,077.80 and 124,681.20 is: 187,021.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,385.20 : 374,077.80 = 124,681.20 : x
  2. Step 2: Convert to fraction form
    249,385.20/374,077.80 = 124,681.20/x
  3. Step 3: Cross multiply
    249,385.20x = 374,077.80 × 124,681.20
  4. Step 4: Simplify right side
    249,385.20x = 46,640,468,997.36
  5. Step 5: Solve for x
    x = 46,640,468,997.36/249,385.20
  6. Step 6: Final answer
    x = 187,021.80

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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.