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Finding the Fourth Proportional to 178,152.16, 245,850.04 and 97,581.03

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Solution

The fourth proportional to 178,152.16, 245,850.04 and 97,581.03 is: 134,661.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,152.16 : 245,850.04 = 97,581.03 : x
  2. Step 2: Convert to fraction form
    178,152.16/245,850.04 = 97,581.03/x
  3. Step 3: Cross multiply
    178,152.16x = 245,850.04 × 97,581.03
  4. Step 4: Simplify right side
    178,152.16x = 23,990,299,884.79
  5. Step 5: Solve for x
    x = 23,990,299,884.79/178,152.16
  6. Step 6: Final answer
    x = 134,661.85

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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.