Home / 252,723.36-348,749.10-139,543.68

Finding the Fourth Proportional to 252,723.36, 348,749.10 and 139,543.68

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Solution

The fourth proportional to 252,723.36, 348,749.10 and 139,543.68 is: 192,565.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,723.36 : 348,749.10 = 139,543.68 : x
  2. Step 2: Convert to fraction form
    252,723.36/348,749.10 = 139,543.68/x
  3. Step 3: Cross multiply
    252,723.36x = 348,749.10 × 139,543.68
  4. Step 4: Simplify right side
    252,723.36x = 48,665,732,810.69
  5. Step 5: Solve for x
    x = 48,665,732,810.69/252,723.36
  6. Step 6: Final answer
    x = 192,565.23

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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.