Home / 104,700.08-144,408.75-66,426.68

Finding the Fourth Proportional to 104,700.08, 144,408.75 and 66,426.68

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Solution

The fourth proportional to 104,700.08, 144,408.75 and 66,426.68 is: 91,619.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,700.08 : 144,408.75 = 66,426.68 : x
  2. Step 2: Convert to fraction form
    104,700.08/144,408.75 = 66,426.68/x
  3. Step 3: Cross multiply
    104,700.08x = 144,408.75 × 66,426.68
  4. Step 4: Simplify right side
    104,700.08x = 9,592,593,825.45
  5. Step 5: Solve for x
    x = 9,592,593,825.45/104,700.08
  6. Step 6: Final answer
    x = 91,619.74

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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.