Home / 158,135.97-218,206.12-94,460.25

Finding the Fourth Proportional to 158,135.97, 218,206.12 and 94,460.25

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Solution

The fourth proportional to 158,135.97, 218,206.12 and 94,460.25 is: 130,342.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,135.97 : 218,206.12 = 94,460.25 : x
  2. Step 2: Convert to fraction form
    158,135.97/218,206.12 = 94,460.25/x
  3. Step 3: Cross multiply
    158,135.97x = 218,206.12 × 94,460.25
  4. Step 4: Simplify right side
    158,135.97x = 20,611,804,410.58
  5. Step 5: Solve for x
    x = 20,611,804,410.58/158,135.97
  6. Step 6: Final answer
    x = 130,342.29

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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.