Home / 154,547.46-231,793.79-70,287.89

Finding the Fourth Proportional to 154,547.46, 231,793.79 and 70,287.89

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Solution

The fourth proportional to 154,547.46, 231,793.79 and 70,287.89 is: 105,419.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,547.46 : 231,793.79 = 70,287.89 : x
  2. Step 2: Convert to fraction form
    154,547.46/231,793.79 = 70,287.89/x
  3. Step 3: Cross multiply
    154,547.46x = 231,793.79 × 70,287.89
  4. Step 4: Simplify right side
    154,547.46x = 16,292,294,903.79
  5. Step 5: Solve for x
    x = 16,292,294,903.79/154,547.46
  6. Step 6: Final answer
    x = 105,419.36

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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.