Home / 147,881.13-221,840.07-57,912.22

Finding the Fourth Proportional to 147,881.13, 221,840.07 and 57,912.22

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Solution

The fourth proportional to 147,881.13, 221,840.07 and 57,912.22 is: 86,875.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,881.13 : 221,840.07 = 57,912.22 : x
  2. Step 2: Convert to fraction form
    147,881.13/221,840.07 = 57,912.22/x
  3. Step 3: Cross multiply
    147,881.13x = 221,840.07 × 57,912.22
  4. Step 4: Simplify right side
    147,881.13x = 12,847,250,938.66
  5. Step 5: Solve for x
    x = 12,847,250,938.66/147,881.13
  6. Step 6: Final answer
    x = 86,875.53

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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.