Home / 153,388.40-230,082.60-48,207.20

Finding the Fourth Proportional to 153,388.40, 230,082.60 and 48,207.20

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Solution

The fourth proportional to 153,388.40, 230,082.60 and 48,207.20 is: 72,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,388.40 : 230,082.60 = 48,207.20 : x
  2. Step 2: Convert to fraction form
    153,388.40/230,082.60 = 48,207.20/x
  3. Step 3: Cross multiply
    153,388.40x = 230,082.60 × 48,207.20
  4. Step 4: Simplify right side
    153,388.40x = 11,091,637,914.72
  5. Step 5: Solve for x
    x = 11,091,637,914.72/153,388.40
  6. Step 6: Final answer
    x = 72,310.80

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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.