Home / 109,239.81-150,823.44-68,465.22

Finding the Fourth Proportional to 109,239.81, 150,823.44 and 68,465.22

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Solution

The fourth proportional to 109,239.81, 150,823.44 and 68,465.22 is: 94,527.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,239.81 : 150,823.44 = 68,465.22 : x
  2. Step 2: Convert to fraction form
    109,239.81/150,823.44 = 68,465.22/x
  3. Step 3: Cross multiply
    109,239.81x = 150,823.44 × 68,465.22
  4. Step 4: Simplify right side
    109,239.81x = 10,326,160,000.76
  5. Step 5: Solve for x
    x = 10,326,160,000.76/109,239.81
  6. Step 6: Final answer
    x = 94,527.44

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1.5x scale

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.