Home / 154,088.80-231,111.60-48,918.40

Finding the Fourth Proportional to 154,088.80, 231,111.60 and 48,918.40

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Solution

The fourth proportional to 154,088.80, 231,111.60 and 48,918.40 is: 73,370.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,088.80 : 231,111.60 = 48,918.40 : x
  2. Step 2: Convert to fraction form
    154,088.80/231,111.60 = 48,918.40/x
  3. Step 3: Cross multiply
    154,088.80x = 231,111.60 × 48,918.40
  4. Step 4: Simplify right side
    154,088.80x = 11,305,609,693.44
  5. Step 5: Solve for x
    x = 11,305,609,693.44/154,088.80
  6. Step 6: Final answer
    x = 73,370.74

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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.