Home / 249,519.61-374,427.65-91,858.78

Finding the Fourth Proportional to 249,519.61, 374,427.65 and 91,858.78

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Solution

The fourth proportional to 249,519.61, 374,427.65 and 91,858.78 is: 137,842.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,519.61 : 374,427.65 = 91,858.78 : x
  2. Step 2: Convert to fraction form
    249,519.61/374,427.65 = 91,858.78/x
  3. Step 3: Cross multiply
    249,519.61x = 374,427.65 × 91,858.78
  4. Step 4: Simplify right side
    249,519.61x = 34,394,467,127.27
  5. Step 5: Solve for x
    x = 34,394,467,127.27/249,519.61
  6. Step 6: Final answer
    x = 137,842.74

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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.