Home / 118,627.07-163,700.12-72,672.66

Finding the Fourth Proportional to 118,627.07, 163,700.12 and 72,672.66

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Solution

The fourth proportional to 118,627.07, 163,700.12 and 72,672.66 is: 100,285.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,627.07 : 163,700.12 = 72,672.66 : x
  2. Step 2: Convert to fraction form
    118,627.07/163,700.12 = 72,672.66/x
  3. Step 3: Cross multiply
    118,627.07x = 163,700.12 × 72,672.66
  4. Step 4: Simplify right side
    118,627.07x = 11,896,523,344.40
  5. Step 5: Solve for x
    x = 11,896,523,344.40/118,627.07
  6. Step 6: Final answer
    x = 100,285.07

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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.