Home / 250,805.16-346,121.10-137,631.96

Finding the Fourth Proportional to 250,805.16, 346,121.10 and 137,631.96

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Solution

The fourth proportional to 250,805.16, 346,121.10 and 137,631.96 is: 189,937.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,805.16 : 346,121.10 = 137,631.96 : x
  2. Step 2: Convert to fraction form
    250,805.16/346,121.10 = 137,631.96/x
  3. Step 3: Cross multiply
    250,805.16x = 346,121.10 × 137,631.96
  4. Step 4: Simplify right side
    250,805.16x = 47,637,325,390.36
  5. Step 5: Solve for x
    x = 47,637,325,390.36/250,805.16
  6. Step 6: Final answer
    x = 189,937.58

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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.