Home / 210,270.14-290,179.36-119,639.15

Finding the Fourth Proportional to 210,270.14, 290,179.36 and 119,639.15

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Solution

The fourth proportional to 210,270.14, 290,179.36 and 119,639.15 is: 165,105.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,270.14 : 290,179.36 = 119,639.15 : x
  2. Step 2: Convert to fraction form
    210,270.14/290,179.36 = 119,639.15/x
  3. Step 3: Cross multiply
    210,270.14x = 290,179.36 × 119,639.15
  4. Step 4: Simplify right side
    210,270.14x = 34,716,812,580.90
  5. Step 5: Solve for x
    x = 34,716,812,580.90/210,270.14
  6. Step 6: Final answer
    x = 165,105.77

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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.