Home / 104,810.11-144,640.98-57,064.27

Finding the Fourth Proportional to 104,810.11, 144,640.98 and 57,064.27

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Solution

The fourth proportional to 104,810.11, 144,640.98 and 57,064.27 is: 78,750.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,810.11 : 144,640.98 = 57,064.27 : x
  2. Step 2: Convert to fraction form
    104,810.11/144,640.98 = 57,064.27/x
  3. Step 3: Cross multiply
    104,810.11x = 144,640.98 × 57,064.27
  4. Step 4: Simplify right side
    104,810.11x = 8,253,831,935.78
  5. Step 5: Solve for x
    x = 8,253,831,935.78/104,810.11
  6. Step 6: Final answer
    x = 78,750.34

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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.