Home / 162,069.12-223,670.91-90,455.81

Finding the Fourth Proportional to 162,069.12, 223,670.91 and 90,455.81

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Solution

The fourth proportional to 162,069.12, 223,670.91 and 90,455.81 is: 124,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,069.12 : 223,670.91 = 90,455.81 : x
  2. Step 2: Convert to fraction form
    162,069.12/223,670.91 = 90,455.81/x
  3. Step 3: Cross multiply
    162,069.12x = 223,670.91 × 90,455.81
  4. Step 4: Simplify right side
    162,069.12x = 20,232,332,219.13
  5. Step 5: Solve for x
    x = 20,232,332,219.13/162,069.12
  6. Step 6: Final answer
    x = 124,837.68

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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.