Home / 118,432.63-163,436.83-64,717.66

Finding the Fourth Proportional to 118,432.63, 163,436.83 and 64,717.66

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Solution

The fourth proportional to 118,432.63, 163,436.83 and 64,717.66 is: 89,310.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,432.63 : 163,436.83 = 64,717.66 : x
  2. Step 2: Convert to fraction form
    118,432.63/163,436.83 = 64,717.66/x
  3. Step 3: Cross multiply
    118,432.63x = 163,436.83 × 64,717.66
  4. Step 4: Simplify right side
    118,432.63x = 10,577,249,195.42
  5. Step 5: Solve for x
    x = 10,577,249,195.42/118,432.63
  6. Step 6: Final answer
    x = 89,310.26

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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.