Home / 104,003.40-143,496.18-66,246.60

Finding the Fourth Proportional to 104,003.40, 143,496.18 and 66,246.60

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Solution

The fourth proportional to 104,003.40, 143,496.18 and 66,246.60 is: 91,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,003.40 : 143,496.18 = 66,246.60 : x
  2. Step 2: Convert to fraction form
    104,003.40/143,496.18 = 66,246.60/x
  3. Step 3: Cross multiply
    104,003.40x = 143,496.18 × 66,246.60
  4. Step 4: Simplify right side
    104,003.40x = 9,506,134,037.99
  5. Step 5: Solve for x
    x = 9,506,134,037.99/104,003.40
  6. Step 6: Final answer
    x = 91,402.15

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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.