Home / 118,448.92-163,410.24-77,601.40

Finding the Fourth Proportional to 118,448.92, 163,410.24 and 77,601.40

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Solution

The fourth proportional to 118,448.92, 163,410.24 and 77,601.40 is: 107,057.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,448.92 : 163,410.24 = 77,601.40 : x
  2. Step 2: Convert to fraction form
    118,448.92/163,410.24 = 77,601.40/x
  3. Step 3: Cross multiply
    118,448.92x = 163,410.24 × 77,601.40
  4. Step 4: Simplify right side
    118,448.92x = 12,680,863,398.34
  5. Step 5: Solve for x
    x = 12,680,863,398.34/118,448.92
  6. Step 6: Final answer
    x = 107,057.65

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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.