Home / 146,269.16-219,111.42-67,275.08

Finding the Fourth Proportional to 146,269.16, 219,111.42 and 67,275.08

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Solution

The fourth proportional to 146,269.16, 219,111.42 and 67,275.08 is: 100,778.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,269.16 : 219,111.42 = 67,275.08 : x
  2. Step 2: Convert to fraction form
    146,269.16/219,111.42 = 67,275.08/x
  3. Step 3: Cross multiply
    146,269.16x = 219,111.42 × 67,275.08
  4. Step 4: Simplify right side
    146,269.16x = 14,740,738,309.41
  5. Step 5: Solve for x
    x = 14,740,738,309.41/146,269.16
  6. Step 6: Final answer
    x = 100,778.17

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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.