Home / 89,153.22-133,848.61-51,740.15

Finding the Fourth Proportional to 89,153.22, 133,848.61 and 51,740.15

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Solution

The fourth proportional to 89,153.22, 133,848.61 and 51,740.15 is: 77,679.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,153.22 : 133,848.61 = 51,740.15 : x
  2. Step 2: Convert to fraction form
    89,153.22/133,848.61 = 51,740.15/x
  3. Step 3: Cross multiply
    89,153.22x = 133,848.61 × 51,740.15
  4. Step 4: Simplify right side
    89,153.22x = 6,925,347,363.96
  5. Step 5: Solve for x
    x = 6,925,347,363.96/89,153.22
  6. Step 6: Final answer
    x = 77,679.16

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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.