Home / 207,029-285,916.88-142,665.59

Finding the Fourth Proportional to 207,029, 285,916.88 and 142,665.59

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Solution

The fourth proportional to 207,029, 285,916.88 and 142,665.59 is: 197,027.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,029 : 285,916.88 = 142,665.59 : x
  2. Step 2: Convert to fraction form
    207,029/285,916.88 = 142,665.59/x
  3. Step 3: Cross multiply
    207,029x = 285,916.88 × 142,665.59
  4. Step 4: Simplify right side
    207,029x = 40,790,500,376.16
  5. Step 5: Solve for x
    x = 40,790,500,376.16/207,029
  6. Step 6: Final answer
    x = 197,027.95

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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.