Home / 252,487.07-348,439.45-139,317.11

Finding the Fourth Proportional to 252,487.07, 348,439.45 and 139,317.11

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Solution

The fourth proportional to 252,487.07, 348,439.45 and 139,317.11 is: 192,261.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,487.07 : 348,439.45 = 139,317.11 : x
  2. Step 2: Convert to fraction form
    252,487.07/348,439.45 = 139,317.11/x
  3. Step 3: Cross multiply
    252,487.07x = 348,439.45 × 139,317.11
  4. Step 4: Simplify right side
    252,487.07x = 48,543,575,441.79
  5. Step 5: Solve for x
    x = 48,543,575,441.79/252,487.07
  6. Step 6: Final answer
    x = 192,261.63

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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.