Home / 250,017.19-345,023.72-136,839.94

Finding the Fourth Proportional to 250,017.19, 345,023.72 and 136,839.94

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Solution

The fourth proportional to 250,017.19, 345,023.72 and 136,839.94 is: 188,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,017.19 : 345,023.72 = 136,839.94 : x
  2. Step 2: Convert to fraction form
    250,017.19/345,023.72 = 136,839.94/x
  3. Step 3: Cross multiply
    250,017.19x = 345,023.72 × 136,839.94
  4. Step 4: Simplify right side
    250,017.19x = 47,213,024,109.77
  5. Step 5: Solve for x
    x = 47,213,024,109.77/250,017.19
  6. Step 6: Final answer
    x = 188,839.11

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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.