Home / 268,900.39-371,068.45-148,018.07

Finding the Fourth Proportional to 268,900.39, 371,068.45 and 148,018.07

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Solution

The fourth proportional to 268,900.39, 371,068.45 and 148,018.07 is: 204,257.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,900.39 : 371,068.45 = 148,018.07 : x
  2. Step 2: Convert to fraction form
    268,900.39/371,068.45 = 148,018.07/x
  3. Step 3: Cross multiply
    268,900.39x = 371,068.45 × 148,018.07
  4. Step 4: Simplify right side
    268,900.39x = 54,924,835,109.86
  5. Step 5: Solve for x
    x = 54,924,835,109.86/268,900.39
  6. Step 6: Final answer
    x = 204,257.18

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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.