Home / 102,737.06-141,774.33-57,415.24

Finding the Fourth Proportional to 102,737.06, 141,774.33 and 57,415.24

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Solution

The fourth proportional to 102,737.06, 141,774.33 and 57,415.24 is: 79,231.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,737.06 : 141,774.33 = 57,415.24 : x
  2. Step 2: Convert to fraction form
    102,737.06/141,774.33 = 57,415.24/x
  3. Step 3: Cross multiply
    102,737.06x = 141,774.33 × 57,415.24
  4. Step 4: Simplify right side
    102,737.06x = 8,140,007,290.24
  5. Step 5: Solve for x
    x = 8,140,007,290.24/102,737.06
  6. Step 6: Final answer
    x = 79,231.46

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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.