Home / 151,484.92-209,050.02-87,860.44

Finding the Fourth Proportional to 151,484.92, 209,050.02 and 87,860.44

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Solution

The fourth proportional to 151,484.92, 209,050.02 and 87,860.44 is: 121,247.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,484.92 : 209,050.02 = 87,860.44 : x
  2. Step 2: Convert to fraction form
    151,484.92/209,050.02 = 87,860.44/x
  3. Step 3: Cross multiply
    151,484.92x = 209,050.02 × 87,860.44
  4. Step 4: Simplify right side
    151,484.92x = 18,367,226,739.21
  5. Step 5: Solve for x
    x = 18,367,226,739.21/151,484.92
  6. Step 6: Final answer
    x = 121,247.89

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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.