Home / 123,050.28-169,763.82-72,054.30

Finding the Fourth Proportional to 123,050.28, 169,763.82 and 72,054.30

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Solution

The fourth proportional to 123,050.28, 169,763.82 and 72,054.30 is: 99,408.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,050.28 : 169,763.82 = 72,054.30 : x
  2. Step 2: Convert to fraction form
    123,050.28/169,763.82 = 72,054.30/x
  3. Step 3: Cross multiply
    123,050.28x = 169,763.82 × 72,054.30
  4. Step 4: Simplify right side
    123,050.28x = 12,232,213,215.43
  5. Step 5: Solve for x
    x = 12,232,213,215.43/123,050.28
  6. Step 6: Final answer
    x = 99,408.25

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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.