Home / 112,279.52-154,996.16-74,061.60

Finding the Fourth Proportional to 112,279.52, 154,996.16 and 74,061.60

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Solution

The fourth proportional to 112,279.52, 154,996.16 and 74,061.60 is: 102,238.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,279.52 : 154,996.16 = 74,061.60 : x
  2. Step 2: Convert to fraction form
    112,279.52/154,996.16 = 74,061.60/x
  3. Step 3: Cross multiply
    112,279.52x = 154,996.16 × 74,061.60
  4. Step 4: Simplify right side
    112,279.52x = 11,479,263,603.46
  5. Step 5: Solve for x
    x = 11,479,263,603.46/112,279.52
  6. Step 6: Final answer
    x = 102,238.27

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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.