Home / 252,918.18-349,034.13-139,748.22

Finding the Fourth Proportional to 252,918.18, 349,034.13 and 139,748.22

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Solution

The fourth proportional to 252,918.18, 349,034.13 and 139,748.22 is: 192,856.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,918.18 : 349,034.13 = 139,748.22 : x
  2. Step 2: Convert to fraction form
    252,918.18/349,034.13 = 139,748.22/x
  3. Step 3: Cross multiply
    252,918.18x = 349,034.13 × 139,748.22
  4. Step 4: Simplify right side
    252,918.18x = 48,776,898,386.75
  5. Step 5: Solve for x
    x = 48,776,898,386.75/252,918.18
  6. Step 6: Final answer
    x = 192,856.43

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1.5x scale

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.