Home / 119,717.58-179,646.34-66,454.41

Finding the Fourth Proportional to 119,717.58, 179,646.34 and 66,454.41

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Solution

The fourth proportional to 119,717.58, 179,646.34 and 66,454.41 is: 99,720.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,717.58 : 179,646.34 = 66,454.41 : x
  2. Step 2: Convert to fraction form
    119,717.58/179,646.34 = 66,454.41/x
  3. Step 3: Cross multiply
    119,717.58x = 179,646.34 × 66,454.41
  4. Step 4: Simplify right side
    119,717.58x = 11,938,291,533.36
  5. Step 5: Solve for x
    x = 11,938,291,533.36/119,717.58
  6. Step 6: Final answer
    x = 99,720.45

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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.