Home / 109,307.04-150,913.50-89,211.96

Finding the Fourth Proportional to 109,307.04, 150,913.50 and 89,211.96

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Solution

The fourth proportional to 109,307.04, 150,913.50 and 89,211.96 is: 123,169.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,307.04 : 150,913.50 = 89,211.96 : x
  2. Step 2: Convert to fraction form
    109,307.04/150,913.50 = 89,211.96/x
  3. Step 3: Cross multiply
    109,307.04x = 150,913.50 × 89,211.96
  4. Step 4: Simplify right side
    109,307.04x = 13,463,289,125.46
  5. Step 5: Solve for x
    x = 13,463,289,125.46/109,307.04
  6. Step 6: Final answer
    x = 123,169.46

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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.