Home / 104,828.80-144,664.64-57,082.40

Finding the Fourth Proportional to 104,828.80, 144,664.64 and 57,082.40

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Solution

The fourth proportional to 104,828.80, 144,664.64 and 57,082.40 is: 78,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,828.80 : 144,664.64 = 57,082.40 : x
  2. Step 2: Convert to fraction form
    104,828.80/144,664.64 = 57,082.40/x
  3. Step 3: Cross multiply
    104,828.80x = 144,664.64 × 57,082.40
  4. Step 4: Simplify right side
    104,828.80x = 8,257,804,846.34
  5. Step 5: Solve for x
    x = 8,257,804,846.34/104,828.80
  6. Step 6: Final answer
    x = 78,774.20

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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.