Home / 210,776.33-290,800.55-120,068.11

Finding the Fourth Proportional to 210,776.33, 290,800.55 and 120,068.11

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Solution

The fourth proportional to 210,776.33, 290,800.55 and 120,068.11 is: 165,653.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,776.33 : 290,800.55 = 120,068.11 : x
  2. Step 2: Convert to fraction form
    210,776.33/290,800.55 = 120,068.11/x
  3. Step 3: Cross multiply
    210,776.33x = 290,800.55 × 120,068.11
  4. Step 4: Simplify right side
    210,776.33x = 34,915,870,778.00
  5. Step 5: Solve for x
    x = 34,915,870,778.00/210,776.33
  6. Step 6: Final answer
    x = 165,653.66

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1.5x scale

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.