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Finding the Fourth Proportional to 100,398.83, 150,393.22 and 56,049.21

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Solution

The fourth proportional to 100,398.83, 150,393.22 and 56,049.21 is: 83,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,398.83 : 150,393.22 = 56,049.21 : x
  2. Step 2: Convert to fraction form
    100,398.83/150,393.22 = 56,049.21/x
  3. Step 3: Cross multiply
    100,398.83x = 150,393.22 × 56,049.21
  4. Step 4: Simplify right side
    100,398.83x = 8,429,421,030.23
  5. Step 5: Solve for x
    x = 8,429,421,030.23/100,398.83
  6. Step 6: Final answer
    x = 83,959.35

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1.5x scale

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.