Home / 110,985.63-166,839.33-89,039.10

Finding the Fourth Proportional to 110,985.63, 166,839.33 and 89,039.10

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Solution

The fourth proportional to 110,985.63, 166,839.33 and 89,039.10 is: 133,848.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,985.63 : 166,839.33 = 89,039.10 : x
  2. Step 2: Convert to fraction form
    110,985.63/166,839.33 = 89,039.10/x
  3. Step 3: Cross multiply
    110,985.63x = 166,839.33 × 89,039.10
  4. Step 4: Simplify right side
    110,985.63x = 14,855,223,787.80
  5. Step 5: Solve for x
    x = 14,855,223,787.80/110,985.63
  6. Step 6: Final answer
    x = 133,848.17

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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.