Home / 252,941.03-349,054.40-138,217.18

Finding the Fourth Proportional to 252,941.03, 349,054.40 and 138,217.18

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Solution

The fourth proportional to 252,941.03, 349,054.40 and 138,217.18 is: 190,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,941.03 : 349,054.40 = 138,217.18 : x
  2. Step 2: Convert to fraction form
    252,941.03/349,054.40 = 138,217.18/x
  3. Step 3: Cross multiply
    252,941.03x = 349,054.40 × 138,217.18
  4. Step 4: Simplify right side
    252,941.03x = 48,245,314,143.51
  5. Step 5: Solve for x
    x = 48,245,314,143.51/252,941.03
  6. Step 6: Final answer
    x = 190,737.40

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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.