Home / 252,548.47-348,518.93-137,828.04

Finding the Fourth Proportional to 252,548.47, 348,518.93 and 137,828.04

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Solution

The fourth proportional to 252,548.47, 348,518.93 and 137,828.04 is: 190,203.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,548.47 : 348,518.93 = 137,828.04 : x
  2. Step 2: Convert to fraction form
    252,548.47/348,518.93 = 137,828.04/x
  3. Step 3: Cross multiply
    252,548.47x = 348,518.93 × 137,828.04
  4. Step 4: Simplify right side
    252,548.47x = 48,035,681,024.80
  5. Step 5: Solve for x
    x = 48,035,681,024.80/252,548.47
  6. Step 6: Final answer
    x = 190,203.81

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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.