Home / 102,934.04-142,016.60-57,604.82

Finding the Fourth Proportional to 102,934.04, 142,016.60 and 57,604.82

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Solution

The fourth proportional to 102,934.04, 142,016.60 and 57,604.82 is: 79,476.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,934.04 : 142,016.60 = 57,604.82 : x
  2. Step 2: Convert to fraction form
    102,934.04/142,016.60 = 57,604.82/x
  3. Step 3: Cross multiply
    102,934.04x = 142,016.60 × 57,604.82
  4. Step 4: Simplify right side
    102,934.04x = 8,180,841,150.19
  5. Step 5: Solve for x
    x = 8,180,841,150.19/102,934.04
  6. Step 6: Final answer
    x = 79,476.54

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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.