Home / 119,220.08-178,718.94-40,279.10

Finding the Fourth Proportional to 119,220.08, 178,718.94 and 40,279.10

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Solution

The fourth proportional to 119,220.08, 178,718.94 and 40,279.10 is: 60,381.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,220.08 : 178,718.94 = 40,279.10 : x
  2. Step 2: Convert to fraction form
    119,220.08/178,718.94 = 40,279.10/x
  3. Step 3: Cross multiply
    119,220.08x = 178,718.94 × 40,279.10
  4. Step 4: Simplify right side
    119,220.08x = 7,198,637,162.56
  5. Step 5: Solve for x
    x = 7,198,637,162.56/119,220.08
  6. Step 6: Final answer
    x = 60,381.08

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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.