Home / 147,955.16-221,926.94-81,527

Finding the Fourth Proportional to 147,955.16, 221,926.94 and 81,527

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Solution

The fourth proportional to 147,955.16, 221,926.94 and 81,527 is: 122,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,955.16 : 221,926.94 = 81,527 : x
  2. Step 2: Convert to fraction form
    147,955.16/221,926.94 = 81,527/x
  3. Step 3: Cross multiply
    147,955.16x = 221,926.94 × 81,527
  4. Step 4: Simplify right side
    147,955.16x = 18,093,037,637.38
  5. Step 5: Solve for x
    x = 18,093,037,637.38/147,955.16
  6. Step 6: Final answer
    x = 122,287.30

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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.