Home / 162,198.56-223,821.08-90,574.28

Finding the Fourth Proportional to 162,198.56, 223,821.08 and 90,574.28

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Solution

The fourth proportional to 162,198.56, 223,821.08 and 90,574.28 is: 124,985.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,198.56 : 223,821.08 = 90,574.28 : x
  2. Step 2: Convert to fraction form
    162,198.56/223,821.08 = 90,574.28/x
  3. Step 3: Cross multiply
    162,198.56x = 223,821.08 × 90,574.28
  4. Step 4: Simplify right side
    162,198.56x = 20,272,433,169.82
  5. Step 5: Solve for x
    x = 20,272,433,169.82/162,198.56
  6. Step 6: Final answer
    x = 124,985.28

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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.