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Finding the Fourth Proportional to 250,114.68, 345,158.10 and 136,937.40

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Solution

The fourth proportional to 250,114.68, 345,158.10 and 136,937.40 is: 188,973.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,114.68 : 345,158.10 = 136,937.40 : x
  2. Step 2: Convert to fraction form
    250,114.68/345,158.10 = 136,937.40/x
  3. Step 3: Cross multiply
    250,114.68x = 345,158.10 × 136,937.40
  4. Step 4: Simplify right side
    250,114.68x = 47,265,052,802.94
  5. Step 5: Solve for x
    x = 47,265,052,802.94/250,114.68
  6. Step 6: Final answer
    x = 188,973.53

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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.