Home / 150,768.36-208,087.20-112,718.88

Finding the Fourth Proportional to 150,768.36, 208,087.20 and 112,718.88

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Solution

The fourth proportional to 150,768.36, 208,087.20 and 112,718.88 is: 155,572.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,768.36 : 208,087.20 = 112,718.88 : x
  2. Step 2: Convert to fraction form
    150,768.36/208,087.20 = 112,718.88/x
  3. Step 3: Cross multiply
    150,768.36x = 208,087.20 × 112,718.88
  4. Step 4: Simplify right side
    150,768.36x = 23,455,356,126.34
  5. Step 5: Solve for x
    x = 23,455,356,126.34/150,768.36
  6. Step 6: Final answer
    x = 155,572.14

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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.