Home / 133,053.20-199,579.80-69,848.90

Finding the Fourth Proportional to 133,053.20, 199,579.80 and 69,848.90

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Solution

The fourth proportional to 133,053.20, 199,579.80 and 69,848.90 is: 104,773.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,053.20 : 199,579.80 = 69,848.90 : x
  2. Step 2: Convert to fraction form
    133,053.20/199,579.80 = 69,848.90/x
  3. Step 3: Cross multiply
    133,053.20x = 199,579.80 × 69,848.90
  4. Step 4: Simplify right side
    133,053.20x = 13,940,429,492.22
  5. Step 5: Solve for x
    x = 13,940,429,492.22/133,053.20
  6. Step 6: Final answer
    x = 104,773.35

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1.5x scale

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.