Home / 210,680.42-290,667.76-119,972.07

Finding the Fourth Proportional to 210,680.42, 290,667.76 and 119,972.07

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Solution

The fourth proportional to 210,680.42, 290,667.76 and 119,972.07 is: 165,520.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,680.42 : 290,667.76 = 119,972.07 : x
  2. Step 2: Convert to fraction form
    210,680.42/290,667.76 = 119,972.07/x
  3. Step 3: Cross multiply
    210,680.42x = 290,667.76 × 119,972.07
  4. Step 4: Simplify right side
    210,680.42x = 34,872,012,549.53
  5. Step 5: Solve for x
    x = 34,872,012,549.53/210,680.42
  6. Step 6: Final answer
    x = 165,520.90

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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.