Home / 154,210.23-231,316.97-54,351.81

Finding the Fourth Proportional to 154,210.23, 231,316.97 and 54,351.81

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Solution

The fourth proportional to 154,210.23, 231,316.97 and 54,351.81 is: 81,528.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,210.23 : 231,316.97 = 54,351.81 : x
  2. Step 2: Convert to fraction form
    154,210.23/231,316.97 = 54,351.81/x
  3. Step 3: Cross multiply
    154,210.23x = 231,316.97 × 54,351.81
  4. Step 4: Simplify right side
    154,210.23x = 12,572,495,731.46
  5. Step 5: Solve for x
    x = 12,572,495,731.46/154,210.23
  6. Step 6: Final answer
    x = 81,528.29

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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.