Home / 118,220.55-163,204.53-91,302.63

Finding the Fourth Proportional to 118,220.55, 163,204.53 and 91,302.63

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Solution

The fourth proportional to 118,220.55, 163,204.53 and 91,302.63 is: 126,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,220.55 : 163,204.53 = 91,302.63 : x
  2. Step 2: Convert to fraction form
    118,220.55/163,204.53 = 91,302.63/x
  3. Step 3: Cross multiply
    118,220.55x = 163,204.53 × 91,302.63
  4. Step 4: Simplify right side
    118,220.55x = 14,901,002,816.91
  5. Step 5: Solve for x
    x = 14,901,002,816.91/118,220.55
  6. Step 6: Final answer
    x = 126,044.10

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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.