Home / 210,281.73-290,185.05-119,635.74

Finding the Fourth Proportional to 210,281.73, 290,185.05 and 119,635.74

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Solution

The fourth proportional to 210,281.73, 290,185.05 and 119,635.74 is: 165,095.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,281.73 : 290,185.05 = 119,635.74 : x
  2. Step 2: Convert to fraction form
    210,281.73/290,185.05 = 119,635.74/x
  3. Step 3: Cross multiply
    210,281.73x = 290,185.05 × 119,635.74
  4. Step 4: Simplify right side
    210,281.73x = 34,716,503,193.69
  5. Step 5: Solve for x
    x = 34,716,503,193.69/210,281.73
  6. Step 6: Final answer
    x = 165,095.19

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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.