Home / 179,575.79-247,814.51-103,099.82

Finding the Fourth Proportional to 179,575.79, 247,814.51 and 103,099.82

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Solution

The fourth proportional to 179,575.79, 247,814.51 and 103,099.82 is: 142,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,575.79 : 247,814.51 = 103,099.82 : x
  2. Step 2: Convert to fraction form
    179,575.79/247,814.51 = 103,099.82/x
  3. Step 3: Cross multiply
    179,575.79x = 247,814.51 × 103,099.82
  4. Step 4: Simplify right side
    179,575.79x = 25,549,630,497.10
  5. Step 5: Solve for x
    x = 25,549,630,497.10/179,575.79
  6. Step 6: Final answer
    x = 142,277.70

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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.