Home / 89,016.60-133,362.90-42,166.20

Finding the Fourth Proportional to 89,016.60, 133,362.90 and 42,166.20

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Solution

The fourth proportional to 89,016.60, 133,362.90 and 42,166.20 is: 63,172.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,016.60 : 133,362.90 = 42,166.20 : x
  2. Step 2: Convert to fraction form
    89,016.60/133,362.90 = 42,166.20/x
  3. Step 3: Cross multiply
    89,016.60x = 133,362.90 × 42,166.20
  4. Step 4: Simplify right side
    89,016.60x = 5,623,406,713.98
  5. Step 5: Solve for x
    x = 5,623,406,713.98/89,016.60
  6. Step 6: Final answer
    x = 63,172.56

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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.