Home / 420,173.38-630,095.82-146,550.52

Finding the Fourth Proportional to 420,173.38, 630,095.82 and 146,550.52

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Solution

The fourth proportional to 420,173.38, 630,095.82 and 146,550.52 is: 219,768.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,173.38 : 630,095.82 = 146,550.52 : x
  2. Step 2: Convert to fraction form
    420,173.38/630,095.82 = 146,550.52/x
  3. Step 3: Cross multiply
    420,173.38x = 630,095.82 × 146,550.52
  4. Step 4: Simplify right side
    420,173.38x = 92,340,870,070.83
  5. Step 5: Solve for x
    x = 92,340,870,070.83/420,173.38
  6. Step 6: Final answer
    x = 219,768.49

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1.5x scale

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.