Home / 112,266.77-154,924.28-66,921.37

Finding the Fourth Proportional to 112,266.77, 154,924.28 and 66,921.37

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Solution

The fourth proportional to 112,266.77, 154,924.28 and 66,921.37 is: 92,349.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,266.77 : 154,924.28 = 66,921.37 : x
  2. Step 2: Convert to fraction form
    112,266.77/154,924.28 = 66,921.37/x
  3. Step 3: Cross multiply
    112,266.77x = 154,924.28 × 66,921.37
  4. Step 4: Simplify right side
    112,266.77x = 10,367,744,341.95
  5. Step 5: Solve for x
    x = 10,367,744,341.95/112,266.77
  6. Step 6: Final answer
    x = 92,349.19

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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.