Home / 238,660.04-357,971.25-138,756.50

Finding the Fourth Proportional to 238,660.04, 357,971.25 and 138,756.50

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Solution

The fourth proportional to 238,660.04, 357,971.25 and 138,756.50 is: 208,123.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,660.04 : 357,971.25 = 138,756.50 : x
  2. Step 2: Convert to fraction form
    238,660.04/357,971.25 = 138,756.50/x
  3. Step 3: Cross multiply
    238,660.04x = 357,971.25 × 138,756.50
  4. Step 4: Simplify right side
    238,660.04x = 49,670,837,750.63
  5. Step 5: Solve for x
    x = 49,670,837,750.63/238,660.04
  6. Step 6: Final answer
    x = 208,123.81

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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.