Home / 160,812.84-221,913.90-89,186.52

Finding the Fourth Proportional to 160,812.84, 221,913.90 and 89,186.52

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Solution

The fourth proportional to 160,812.84, 221,913.90 and 89,186.52 is: 123,073.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,812.84 : 221,913.90 = 89,186.52 : x
  2. Step 2: Convert to fraction form
    160,812.84/221,913.90 = 89,186.52/x
  3. Step 3: Cross multiply
    160,812.84x = 221,913.90 × 89,186.52
  4. Step 4: Simplify right side
    160,812.84x = 19,791,728,480.63
  5. Step 5: Solve for x
    x = 19,791,728,480.63/160,812.84
  6. Step 6: Final answer
    x = 123,073.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.