Home / 179,411.90-247,543.70-115,673

Finding the Fourth Proportional to 179,411.90, 247,543.70 and 115,673

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Solution

The fourth proportional to 179,411.90, 247,543.70 and 115,673 is: 159,599.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,411.90 : 247,543.70 = 115,673 : x
  2. Step 2: Convert to fraction form
    179,411.90/247,543.70 = 115,673/x
  3. Step 3: Cross multiply
    179,411.90x = 247,543.70 × 115,673
  4. Step 4: Simplify right side
    179,411.90x = 28,634,122,410.10
  5. Step 5: Solve for x
    x = 28,634,122,410.10/179,411.90
  6. Step 6: Final answer
    x = 159,599.91

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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.