Home / 210,631.78-290,600.92-119,923.59

Finding the Fourth Proportional to 210,631.78, 290,600.92 and 119,923.59

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Solution

The fourth proportional to 210,631.78, 290,600.92 and 119,923.59 is: 165,454.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,631.78 : 290,600.92 = 119,923.59 : x
  2. Step 2: Convert to fraction form
    210,631.78/290,600.92 = 119,923.59/x
  3. Step 3: Cross multiply
    210,631.78x = 290,600.92 × 119,923.59
  4. Step 4: Simplify right side
    210,631.78x = 34,849,904,984.08
  5. Step 5: Solve for x
    x = 34,849,904,984.08/210,631.78
  6. Step 6: Final answer
    x = 165,454.17

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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.