Home / 146,278.35-201,864.06-79,210.35

Finding the Fourth Proportional to 146,278.35, 201,864.06 and 79,210.35

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Solution

The fourth proportional to 146,278.35, 201,864.06 and 79,210.35 is: 109,310.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,278.35 : 201,864.06 = 79,210.35 : x
  2. Step 2: Convert to fraction form
    146,278.35/201,864.06 = 79,210.35/x
  3. Step 3: Cross multiply
    146,278.35x = 201,864.06 × 79,210.35
  4. Step 4: Simplify right side
    146,278.35x = 15,989,722,845.02
  5. Step 5: Solve for x
    x = 15,989,722,845.02/146,278.35
  6. Step 6: Final answer
    x = 109,310.25

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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.