Home / 238,085.60-357,141.36-71,869.28

Finding the Fourth Proportional to 238,085.60, 357,141.36 and 71,869.28

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Solution

The fourth proportional to 238,085.60, 357,141.36 and 71,869.28 is: 107,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,085.60 : 357,141.36 = 71,869.28 : x
  2. Step 2: Convert to fraction form
    238,085.60/357,141.36 = 71,869.28/x
  3. Step 3: Cross multiply
    238,085.60x = 357,141.36 × 71,869.28
  4. Step 4: Simplify right side
    238,085.60x = 25,667,492,401.42
  5. Step 5: Solve for x
    x = 25,667,492,401.42/238,085.60
  6. Step 6: Final answer
    x = 107,807.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.