Home / 147,954.16-221,925.44-81,526

Finding the Fourth Proportional to 147,954.16, 221,925.44 and 81,526

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Solution

The fourth proportional to 147,954.16, 221,925.44 and 81,526 is: 122,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,954.16 : 221,925.44 = 81,526 : x
  2. Step 2: Convert to fraction form
    147,954.16/221,925.44 = 81,526/x
  3. Step 3: Cross multiply
    147,954.16x = 221,925.44 × 81,526
  4. Step 4: Simplify right side
    147,954.16x = 18,092,693,421.44
  5. Step 5: Solve for x
    x = 18,092,693,421.44/147,954.16
  6. Step 6: Final answer
    x = 122,285.80

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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.