Home / 109,647.38-151,266.20-64,339.22

Finding the Fourth Proportional to 109,647.38, 151,266.20 and 64,339.22

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Solution

The fourth proportional to 109,647.38, 151,266.20 and 64,339.22 is: 88,760.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,647.38 : 151,266.20 = 64,339.22 : x
  2. Step 2: Convert to fraction form
    109,647.38/151,266.20 = 64,339.22/x
  3. Step 3: Cross multiply
    109,647.38x = 151,266.20 × 64,339.22
  4. Step 4: Simplify right side
    109,647.38x = 9,732,349,320.36
  5. Step 5: Solve for x
    x = 9,732,349,320.36/109,647.38
  6. Step 6: Final answer
    x = 88,760.44

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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.