Home / 105,248.32-145,240.86-57,500.44

Finding the Fourth Proportional to 105,248.32, 145,240.86 and 57,500.44

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Solution

The fourth proportional to 105,248.32, 145,240.86 and 57,500.44 is: 79,349.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,248.32 : 145,240.86 = 57,500.44 : x
  2. Step 2: Convert to fraction form
    105,248.32/145,240.86 = 57,500.44/x
  3. Step 3: Cross multiply
    105,248.32x = 145,240.86 × 57,500.44
  4. Step 4: Simplify right side
    105,248.32x = 8,351,413,355.98
  5. Step 5: Solve for x
    x = 8,351,413,355.98/105,248.32
  6. Step 6: Final answer
    x = 79,349.61

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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.