Home / 123,460.36-185,073.90-112,146.28

Finding the Fourth Proportional to 123,460.36, 185,073.90 and 112,146.28

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Solution

The fourth proportional to 123,460.36, 185,073.90 and 112,146.28 is: 168,113.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,460.36 : 185,073.90 = 112,146.28 : x
  2. Step 2: Convert to fraction form
    123,460.36/185,073.90 = 112,146.28/x
  3. Step 3: Cross multiply
    123,460.36x = 185,073.90 × 112,146.28
  4. Step 4: Simplify right side
    123,460.36x = 20,755,349,410.09
  5. Step 5: Solve for x
    x = 20,755,349,410.09/123,460.36
  6. Step 6: Final answer
    x = 168,113.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.