Home / 210,531.48-290,500.20-119,836.62

Finding the Fourth Proportional to 210,531.48, 290,500.20 and 119,836.62

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Solution

The fourth proportional to 210,531.48, 290,500.20 and 119,836.62 is: 165,355.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,531.48 : 290,500.20 = 119,836.62 : x
  2. Step 2: Convert to fraction form
    210,531.48/290,500.20 = 119,836.62/x
  3. Step 3: Cross multiply
    210,531.48x = 290,500.20 × 119,836.62
  4. Step 4: Simplify right side
    210,531.48x = 34,812,562,077.32
  5. Step 5: Solve for x
    x = 34,812,562,077.32/210,531.48
  6. Step 6: Final answer
    x = 165,355.61

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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.