Home / 210,446.43-290,390.85-119,802.57

Finding the Fourth Proportional to 210,446.43, 290,390.85 and 119,802.57

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Solution

The fourth proportional to 210,446.43, 290,390.85 and 119,802.57 is: 165,313.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,446.43 : 290,390.85 = 119,802.57 : x
  2. Step 2: Convert to fraction form
    210,446.43/290,390.85 = 119,802.57/x
  3. Step 3: Cross multiply
    210,446.43x = 290,390.85 × 119,802.57
  4. Step 4: Simplify right side
    210,446.43x = 34,789,570,134.48
  5. Step 5: Solve for x
    x = 34,789,570,134.48/210,446.43
  6. Step 6: Final answer
    x = 165,313.19

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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.