Home / 162,316.55-223,997.97-90,699.59

Finding the Fourth Proportional to 162,316.55, 223,997.97 and 90,699.59

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Solution

The fourth proportional to 162,316.55, 223,997.97 and 90,699.59 is: 125,166.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,316.55 : 223,997.97 = 90,699.59 : x
  2. Step 2: Convert to fraction form
    162,316.55/223,997.97 = 90,699.59/x
  3. Step 3: Cross multiply
    162,316.55x = 223,997.97 × 90,699.59
  4. Step 4: Simplify right side
    162,316.55x = 20,316,524,599.83
  5. Step 5: Solve for x
    x = 20,316,524,599.83/162,316.55
  6. Step 6: Final answer
    x = 125,166.07

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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.