Home / 252,572.31-348,549.08-139,394.25

Finding the Fourth Proportional to 252,572.31, 348,549.08 and 139,394.25

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Solution

The fourth proportional to 252,572.31, 348,549.08 and 139,394.25 is: 192,363.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,572.31 : 348,549.08 = 139,394.25 : x
  2. Step 2: Convert to fraction form
    252,572.31/348,549.08 = 139,394.25/x
  3. Step 3: Cross multiply
    252,572.31x = 348,549.08 × 139,394.25
  4. Step 4: Simplify right side
    252,572.31x = 48,585,736,897.82
  5. Step 5: Solve for x
    x = 48,585,736,897.82/252,572.31
  6. Step 6: Final answer
    x = 192,363.67

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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.