Home / 249,859.09-344,805.60-140,986.53

Finding the Fourth Proportional to 249,859.09, 344,805.60 and 140,986.53

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Solution

The fourth proportional to 249,859.09, 344,805.60 and 140,986.53 is: 194,561.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,859.09 : 344,805.60 = 140,986.53 : x
  2. Step 2: Convert to fraction form
    249,859.09/344,805.60 = 140,986.53/x
  3. Step 3: Cross multiply
    249,859.09x = 344,805.60 × 140,986.53
  4. Step 4: Simplify right side
    249,859.09x = 48,612,945,832.89
  5. Step 5: Solve for x
    x = 48,612,945,832.89/249,859.09
  6. Step 6: Final answer
    x = 194,561.45

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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.