Home / 210,377.10-290,347.83-119,715.42

Finding the Fourth Proportional to 210,377.10, 290,347.83 and 119,715.42

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Solution

The fourth proportional to 210,377.10, 290,347.83 and 119,715.42 is: 165,222.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,377.10 : 290,347.83 = 119,715.42 : x
  2. Step 2: Convert to fraction form
    210,377.10/290,347.83 = 119,715.42/x
  3. Step 3: Cross multiply
    210,377.10x = 290,347.83 × 119,715.42
  4. Step 4: Simplify right side
    210,377.10x = 34,759,112,414.54
  5. Step 5: Solve for x
    x = 34,759,112,414.54/210,377.10
  6. Step 6: Final answer
    x = 165,222.89

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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.