Home / 107,444.22-161,167.80-28,558.04

Finding the Fourth Proportional to 107,444.22, 161,167.80 and 28,558.04

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Solution

The fourth proportional to 107,444.22, 161,167.80 and 28,558.04 is: 42,837.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,444.22 : 161,167.80 = 28,558.04 : x
  2. Step 2: Convert to fraction form
    107,444.22/161,167.80 = 28,558.04/x
  3. Step 3: Cross multiply
    107,444.22x = 161,167.80 × 28,558.04
  4. Step 4: Simplify right side
    107,444.22x = 4,602,636,479.11
  5. Step 5: Solve for x
    x = 4,602,636,479.11/107,444.22
  6. Step 6: Final answer
    x = 42,837.45

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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.