Home / 249,518.61-374,426.15-91,857.78

Finding the Fourth Proportional to 249,518.61, 374,426.15 and 91,857.78

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Solution

The fourth proportional to 249,518.61, 374,426.15 and 91,857.78 is: 137,841.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,518.61 : 374,426.15 = 91,857.78 : x
  2. Step 2: Convert to fraction form
    249,518.61/374,426.15 = 91,857.78/x
  3. Step 3: Cross multiply
    249,518.61x = 374,426.15 × 91,857.78
  4. Step 4: Simplify right side
    249,518.61x = 34,393,954,453.66
  5. Step 5: Solve for x
    x = 34,393,954,453.66/249,518.61
  6. Step 6: Final answer
    x = 137,841.24

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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.