Home / 110,207.61-151,816.55-79,903.89

Finding the Fourth Proportional to 110,207.61, 151,816.55 and 79,903.89

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Solution

The fourth proportional to 110,207.61, 151,816.55 and 79,903.89 is: 110,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,207.61 : 151,816.55 = 79,903.89 : x
  2. Step 2: Convert to fraction form
    110,207.61/151,816.55 = 79,903.89/x
  3. Step 3: Cross multiply
    110,207.61x = 151,816.55 × 79,903.89
  4. Step 4: Simplify right side
    110,207.61x = 12,130,732,511.86
  5. Step 5: Solve for x
    x = 12,130,732,511.86/110,207.61
  6. Step 6: Final answer
    x = 110,071.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.