Home / 112,026.77-154,548.36-66,679.32

Finding the Fourth Proportional to 112,026.77, 154,548.36 and 66,679.32

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Solution

The fourth proportional to 112,026.77, 154,548.36 and 66,679.32 is: 91,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,026.77 : 154,548.36 = 66,679.32 : x
  2. Step 2: Convert to fraction form
    112,026.77/154,548.36 = 66,679.32/x
  3. Step 3: Cross multiply
    112,026.77x = 154,548.36 × 66,679.32
  4. Step 4: Simplify right side
    112,026.77x = 10,305,180,131.47
  5. Step 5: Solve for x
    x = 10,305,180,131.47/112,026.77
  6. Step 6: Final answer
    x = 91,988.55

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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.