Home / 118,669.27-163,763.81-64,957.70

Finding the Fourth Proportional to 118,669.27, 163,763.81 and 64,957.70

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Solution

The fourth proportional to 118,669.27, 163,763.81 and 64,957.70 is: 89,641.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,669.27 : 163,763.81 = 64,957.70 : x
  2. Step 2: Convert to fraction form
    118,669.27/163,763.81 = 64,957.70/x
  3. Step 3: Cross multiply
    118,669.27x = 163,763.81 × 64,957.70
  4. Step 4: Simplify right side
    118,669.27x = 10,637,720,440.84
  5. Step 5: Solve for x
    x = 10,637,720,440.84/118,669.27
  6. Step 6: Final answer
    x = 89,641.75

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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.