Home / 124,238.59-171,405.52-81,243.24

Finding the Fourth Proportional to 124,238.59, 171,405.52 and 81,243.24

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Solution

The fourth proportional to 124,238.59, 171,405.52 and 81,243.24 is: 112,087.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,238.59 : 171,405.52 = 81,243.24 : x
  2. Step 2: Convert to fraction form
    124,238.59/171,405.52 = 81,243.24/x
  3. Step 3: Cross multiply
    124,238.59x = 171,405.52 × 81,243.24
  4. Step 4: Simplify right side
    124,238.59x = 13,925,539,798.68
  5. Step 5: Solve for x
    x = 13,925,539,798.68/124,238.59
  6. Step 6: Final answer
    x = 112,087.07

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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.