Home / 104,857.65-144,705.29-57,111.93

Finding the Fourth Proportional to 104,857.65, 144,705.29 and 57,111.93

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Solution

The fourth proportional to 104,857.65, 144,705.29 and 57,111.93 is: 78,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,857.65 : 144,705.29 = 57,111.93 : x
  2. Step 2: Convert to fraction form
    104,857.65/144,705.29 = 57,111.93/x
  3. Step 3: Cross multiply
    104,857.65x = 144,705.29 × 57,111.93
  4. Step 4: Simplify right side
    104,857.65x = 8,264,398,107.55
  5. Step 5: Solve for x
    x = 8,264,398,107.55/104,857.65
  6. Step 6: Final answer
    x = 78,815.40

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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.