Home / 147,997.40-221,971.34-53,208.25

Finding the Fourth Proportional to 147,997.40, 221,971.34 and 53,208.25

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Solution

The fourth proportional to 147,997.40, 221,971.34 and 53,208.25 is: 79,803.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,997.40 : 221,971.34 = 53,208.25 : x
  2. Step 2: Convert to fraction form
    147,997.40/221,971.34 = 53,208.25/x
  3. Step 3: Cross multiply
    147,997.40x = 221,971.34 × 53,208.25
  4. Step 4: Simplify right side
    147,997.40x = 11,810,706,129.65
  5. Step 5: Solve for x
    x = 11,810,706,129.65/147,997.40
  6. Step 6: Final answer
    x = 79,803.47

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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.