Home / 89,317.08-133,881.98-30,132.36

Finding the Fourth Proportional to 89,317.08, 133,881.98 and 30,132.36

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Solution

The fourth proportional to 89,317.08, 133,881.98 and 30,132.36 is: 45,166.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,317.08 : 133,881.98 = 30,132.36 : x
  2. Step 2: Convert to fraction form
    89,317.08/133,881.98 = 30,132.36/x
  3. Step 3: Cross multiply
    89,317.08x = 133,881.98 × 30,132.36
  4. Step 4: Simplify right side
    89,317.08x = 4,034,180,018.87
  5. Step 5: Solve for x
    x = 4,034,180,018.87/89,317.08
  6. Step 6: Final answer
    x = 45,166.95

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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.