Home / 100,667.61-151,001.82-30,547.53

Finding the Fourth Proportional to 100,667.61, 151,001.82 and 30,547.53

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Solution

The fourth proportional to 100,667.61, 151,001.82 and 30,547.53 is: 45,821.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,667.61 : 151,001.82 = 30,547.53 : x
  2. Step 2: Convert to fraction form
    100,667.61/151,001.82 = 30,547.53/x
  3. Step 3: Cross multiply
    100,667.61x = 151,001.82 × 30,547.53
  4. Step 4: Simplify right side
    100,667.61x = 4,612,732,626.50
  5. Step 5: Solve for x
    x = 4,612,732,626.50/100,667.61
  6. Step 6: Final answer
    x = 45,821.42

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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.