Home / 220,864.66-304,784.91-134,967.26

Finding the Fourth Proportional to 220,864.66, 304,784.91 and 134,967.26

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Solution

The fourth proportional to 220,864.66, 304,784.91 and 134,967.26 is: 186,249.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,864.66 : 304,784.91 = 134,967.26 : x
  2. Step 2: Convert to fraction form
    220,864.66/304,784.91 = 134,967.26/x
  3. Step 3: Cross multiply
    220,864.66x = 304,784.91 × 134,967.26
  4. Step 4: Simplify right side
    220,864.66x = 41,135,984,954.01
  5. Step 5: Solve for x
    x = 41,135,984,954.01/220,864.66
  6. Step 6: Final answer
    x = 186,249.74

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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.