Home / 118,069.12-177,037.92-39,140.32

Finding the Fourth Proportional to 118,069.12, 177,037.92 and 39,140.32

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Solution

The fourth proportional to 118,069.12, 177,037.92 and 39,140.32 is: 58,688.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,069.12 : 177,037.92 = 39,140.32 : x
  2. Step 2: Convert to fraction form
    118,069.12/177,037.92 = 39,140.32/x
  3. Step 3: Cross multiply
    118,069.12x = 177,037.92 × 39,140.32
  4. Step 4: Simplify right side
    118,069.12x = 6,929,320,840.93
  5. Step 5: Solve for x
    x = 6,929,320,840.93/118,069.12
  6. Step 6: Final answer
    x = 58,688.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.