Home / 146,981.07-220,471.12-40,365.12

Finding the Fourth Proportional to 146,981.07, 220,471.12 and 40,365.12

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Solution

The fourth proportional to 146,981.07, 220,471.12 and 40,365.12 is: 60,547.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,981.07 : 220,471.12 = 40,365.12 : x
  2. Step 2: Convert to fraction form
    146,981.07/220,471.12 = 40,365.12/x
  3. Step 3: Cross multiply
    146,981.07x = 220,471.12 × 40,365.12
  4. Step 4: Simplify right side
    146,981.07x = 8,899,343,215.33
  5. Step 5: Solve for x
    x = 8,899,343,215.33/146,981.07
  6. Step 6: Final answer
    x = 60,547.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.