Home / 104,869.08-144,721.02-57,122.46

Finding the Fourth Proportional to 104,869.08, 144,721.02 and 57,122.46

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Solution

The fourth proportional to 104,869.08, 144,721.02 and 57,122.46 is: 78,829.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,869.08 : 144,721.02 = 57,122.46 : x
  2. Step 2: Convert to fraction form
    104,869.08/144,721.02 = 57,122.46/x
  3. Step 3: Cross multiply
    104,869.08x = 144,721.02 × 57,122.46
  4. Step 4: Simplify right side
    104,869.08x = 8,266,820,676.11
  5. Step 5: Solve for x
    x = 8,266,820,676.11/104,869.08
  6. Step 6: Final answer
    x = 78,829.92

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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.