Home / 161,070.82-222,277.90-89,450.98

Finding the Fourth Proportional to 161,070.82, 222,277.90 and 89,450.98

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Solution

The fourth proportional to 161,070.82, 222,277.90 and 89,450.98 is: 123,442.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,070.82 : 222,277.90 = 89,450.98 : x
  2. Step 2: Convert to fraction form
    161,070.82/222,277.90 = 89,450.98/x
  3. Step 3: Cross multiply
    161,070.82x = 222,277.90 × 89,450.98
  4. Step 4: Simplify right side
    161,070.82x = 19,882,975,987.34
  5. Step 5: Solve for x
    x = 19,882,975,987.34/161,070.82
  6. Step 6: Final answer
    x = 123,442.45

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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.