Home / 252,681.12-348,705-139,511.16

Finding the Fourth Proportional to 252,681.12, 348,705 and 139,511.16

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Solution

The fourth proportional to 252,681.12, 348,705 and 139,511.16 is: 192,528.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,681.12 : 348,705 = 139,511.16 : x
  2. Step 2: Convert to fraction form
    252,681.12/348,705 = 139,511.16/x
  3. Step 3: Cross multiply
    252,681.12x = 348,705 × 139,511.16
  4. Step 4: Simplify right side
    252,681.12x = 48,648,239,047.80
  5. Step 5: Solve for x
    x = 48,648,239,047.80/252,681.12
  6. Step 6: Final answer
    x = 192,528.19

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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.