Home / 179,280.86-247,421.87-102,806.96

Finding the Fourth Proportional to 179,280.86, 247,421.87 and 102,806.96

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Solution

The fourth proportional to 179,280.86, 247,421.87 and 102,806.96 is: 141,881.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,280.86 : 247,421.87 = 102,806.96 : x
  2. Step 2: Convert to fraction form
    179,280.86/247,421.87 = 102,806.96/x
  3. Step 3: Cross multiply
    179,280.86x = 247,421.87 × 102,806.96
  4. Step 4: Simplify right side
    179,280.86x = 25,436,688,541.07
  5. Step 5: Solve for x
    x = 25,436,688,541.07/179,280.86
  6. Step 6: Final answer
    x = 141,881.79

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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.