Home / 130,323.60-179,874.36-99,777.96

Finding the Fourth Proportional to 130,323.60, 179,874.36 and 99,777.96

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Solution

The fourth proportional to 130,323.60, 179,874.36 and 99,777.96 is: 137,714.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,323.60 : 179,874.36 = 99,777.96 : x
  2. Step 2: Convert to fraction form
    130,323.60/179,874.36 = 99,777.96/x
  3. Step 3: Cross multiply
    130,323.60x = 179,874.36 × 99,777.96
  4. Step 4: Simplify right side
    130,323.60x = 17,947,496,697.11
  5. Step 5: Solve for x
    x = 17,947,496,697.11/130,323.60
  6. Step 6: Final answer
    x = 137,714.86

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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.