Home / 177,822.15-245,483.79-137,444.67

Finding the Fourth Proportional to 177,822.15, 245,483.79 and 137,444.67

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Solution

The fourth proportional to 177,822.15, 245,483.79 and 137,444.67 is: 189,742.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,822.15 : 245,483.79 = 137,444.67 : x
  2. Step 2: Convert to fraction form
    177,822.15/245,483.79 = 137,444.67/x
  3. Step 3: Cross multiply
    177,822.15x = 245,483.79 × 137,444.67
  4. Step 4: Simplify right side
    177,822.15x = 33,740,438,506.90
  5. Step 5: Solve for x
    x = 33,740,438,506.90/177,822.15
  6. Step 6: Final answer
    x = 189,742.61

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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.