Home / 118,671.87-163,767.06-64,956.41

Finding the Fourth Proportional to 118,671.87, 163,767.06 and 64,956.41

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Solution

The fourth proportional to 118,671.87, 163,767.06 and 64,956.41 is: 89,639.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,671.87 : 163,767.06 = 64,956.41 : x
  2. Step 2: Convert to fraction form
    118,671.87/163,767.06 = 64,956.41/x
  3. Step 3: Cross multiply
    118,671.87x = 163,767.06 × 64,956.41
  4. Step 4: Simplify right side
    118,671.87x = 10,637,719,475.02
  5. Step 5: Solve for x
    x = 10,637,719,475.02/118,671.87
  6. Step 6: Final answer
    x = 89,639.77

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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.