Home / 104,861.65-144,710.81-57,115.93

Finding the Fourth Proportional to 104,861.65, 144,710.81 and 57,115.93

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Solution

The fourth proportional to 104,861.65, 144,710.81 and 57,115.93 is: 78,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,861.65 : 144,710.81 = 57,115.93 : x
  2. Step 2: Convert to fraction form
    104,861.65/144,710.81 = 57,115.93/x
  3. Step 3: Cross multiply
    104,861.65x = 144,710.81 × 57,115.93
  4. Step 4: Simplify right side
    104,861.65x = 8,265,292,494.20
  5. Step 5: Solve for x
    x = 8,265,292,494.20/104,861.65
  6. Step 6: Final answer
    x = 78,820.93

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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.