Home / 104,267.77-143,869.48-66,000.40

Finding the Fourth Proportional to 104,267.77, 143,869.48 and 66,000.40

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Solution

The fourth proportional to 104,267.77, 143,869.48 and 66,000.40 is: 91,067.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,267.77 : 143,869.48 = 66,000.40 : x
  2. Step 2: Convert to fraction form
    104,267.77/143,869.48 = 66,000.40/x
  3. Step 3: Cross multiply
    104,267.77x = 143,869.48 × 66,000.40
  4. Step 4: Simplify right side
    104,267.77x = 9,495,443,227.79
  5. Step 5: Solve for x
    x = 9,495,443,227.79/104,267.77
  6. Step 6: Final answer
    x = 91,067.87

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1.5x scale

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.