Home / 102,042.14-140,810.04-56,716.56

Finding the Fourth Proportional to 102,042.14, 140,810.04 and 56,716.56

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Solution

The fourth proportional to 102,042.14, 140,810.04 and 56,716.56 is: 78,264.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,042.14 : 140,810.04 = 56,716.56 : x
  2. Step 2: Convert to fraction form
    102,042.14/140,810.04 = 56,716.56/x
  3. Step 3: Cross multiply
    102,042.14x = 140,810.04 × 56,716.56
  4. Step 4: Simplify right side
    102,042.14x = 7,986,261,082.26
  5. Step 5: Solve for x
    x = 7,986,261,082.26/102,042.14
  6. Step 6: Final answer
    x = 78,264.34

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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.