Home / 98,273.86-147,385.23-28,136.77

Finding the Fourth Proportional to 98,273.86, 147,385.23 and 28,136.77

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Solution

The fourth proportional to 98,273.86, 147,385.23 and 28,136.77 is: 42,197.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,273.86 : 147,385.23 = 28,136.77 : x
  2. Step 2: Convert to fraction form
    98,273.86/147,385.23 = 28,136.77/x
  3. Step 3: Cross multiply
    98,273.86x = 147,385.23 × 28,136.77
  4. Step 4: Simplify right side
    98,273.86x = 4,146,944,317.91
  5. Step 5: Solve for x
    x = 4,146,944,317.91/98,273.86
  6. Step 6: Final answer
    x = 42,197.84

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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.