Home / 102,435.59-141,350.80-57,109.34

Finding the Fourth Proportional to 102,435.59, 141,350.80 and 57,109.34

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Solution

The fourth proportional to 102,435.59, 141,350.80 and 57,109.34 is: 78,805.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,435.59 : 141,350.80 = 57,109.34 : x
  2. Step 2: Convert to fraction form
    102,435.59/141,350.80 = 57,109.34/x
  3. Step 3: Cross multiply
    102,435.59x = 141,350.80 × 57,109.34
  4. Step 4: Simplify right side
    102,435.59x = 8,072,450,896.47
  5. Step 5: Solve for x
    x = 8,072,450,896.47/102,435.59
  6. Step 6: Final answer
    x = 78,805.14

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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.