Home / 104,822.36-157,195.47-45,643.76

Finding the Fourth Proportional to 104,822.36, 157,195.47 and 45,643.76

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Solution

The fourth proportional to 104,822.36, 157,195.47 and 45,643.76 is: 68,449.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,822.36 : 157,195.47 = 45,643.76 : x
  2. Step 2: Convert to fraction form
    104,822.36/157,195.47 = 45,643.76/x
  3. Step 3: Cross multiply
    104,822.36x = 157,195.47 × 45,643.76
  4. Step 4: Simplify right side
    104,822.36x = 7,174,992,305.77
  5. Step 5: Solve for x
    x = 7,174,992,305.77/104,822.36
  6. Step 6: Final answer
    x = 68,449.06

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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.