Home / 102,338.02-141,224.34-57,015.94

Finding the Fourth Proportional to 102,338.02, 141,224.34 and 57,015.94

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Solution

The fourth proportional to 102,338.02, 141,224.34 and 57,015.94 is: 78,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,338.02 : 141,224.34 = 57,015.94 : x
  2. Step 2: Convert to fraction form
    102,338.02/141,224.34 = 57,015.94/x
  3. Step 3: Cross multiply
    102,338.02x = 141,224.34 × 57,015.94
  4. Step 4: Simplify right side
    102,338.02x = 8,052,038,495.98
  5. Step 5: Solve for x
    x = 8,052,038,495.98/102,338.02
  6. Step 6: Final answer
    x = 78,680.81

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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.