Home / 67,206.02-100,808.89-19,854.36

Finding the Fourth Proportional to 67,206.02, 100,808.89 and 19,854.36

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Solution

The fourth proportional to 67,206.02, 100,808.89 and 19,854.36 is: 29,781.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,206.02 : 100,808.89 = 19,854.36 : x
  2. Step 2: Convert to fraction form
    67,206.02/100,808.89 = 19,854.36/x
  3. Step 3: Cross multiply
    67,206.02x = 100,808.89 × 19,854.36
  4. Step 4: Simplify right side
    67,206.02x = 2,001,495,943.62
  5. Step 5: Solve for x
    x = 2,001,495,943.62/67,206.02
  6. Step 6: Final answer
    x = 29,781.50

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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.