Home / 266,113.45-367,239.99-145,258.21

Finding the Fourth Proportional to 266,113.45, 367,239.99 and 145,258.21

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Solution

The fourth proportional to 266,113.45, 367,239.99 and 145,258.21 is: 200,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,113.45 : 367,239.99 = 145,258.21 : x
  2. Step 2: Convert to fraction form
    266,113.45/367,239.99 = 145,258.21/x
  3. Step 3: Cross multiply
    266,113.45x = 367,239.99 × 145,258.21
  4. Step 4: Simplify right side
    266,113.45x = 53,344,623,587.82
  5. Step 5: Solve for x
    x = 53,344,623,587.82/266,113.45
  6. Step 6: Final answer
    x = 200,458.20

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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.