Home / 118,340.07-163,330.32-69,939.93

Finding the Fourth Proportional to 118,340.07, 163,330.32 and 69,939.93

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Solution

The fourth proportional to 118,340.07, 163,330.32 and 69,939.93 is: 96,529.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,340.07 : 163,330.32 = 69,939.93 : x
  2. Step 2: Convert to fraction form
    118,340.07/163,330.32 = 69,939.93/x
  3. Step 3: Cross multiply
    118,340.07x = 163,330.32 × 69,939.93
  4. Step 4: Simplify right side
    118,340.07x = 11,423,311,147.68
  5. Step 5: Solve for x
    x = 11,423,311,147.68/118,340.07
  6. Step 6: Final answer
    x = 96,529.53

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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.