Home / 104,955.02-144,833.63-57,207.32

Finding the Fourth Proportional to 104,955.02, 144,833.63 and 57,207.32

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Solution

The fourth proportional to 104,955.02, 144,833.63 and 57,207.32 is: 78,943.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,955.02 : 144,833.63 = 57,207.32 : x
  2. Step 2: Convert to fraction form
    104,955.02/144,833.63 = 57,207.32/x
  3. Step 3: Cross multiply
    104,955.02x = 144,833.63 × 57,207.32
  4. Step 4: Simplify right side
    104,955.02x = 8,285,542,807.97
  5. Step 5: Solve for x
    x = 8,285,542,807.97/104,955.02
  6. Step 6: Final answer
    x = 78,943.75

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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.