Home / 108,387.02-163,392.91-101,161.82

Finding the Fourth Proportional to 108,387.02, 163,392.91 and 101,161.82

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Solution

The fourth proportional to 108,387.02, 163,392.91 and 101,161.82 is: 152,500.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,387.02 : 163,392.91 = 101,161.82 : x
  2. Step 2: Convert to fraction form
    108,387.02/163,392.91 = 101,161.82/x
  3. Step 3: Cross multiply
    108,387.02x = 163,392.91 × 101,161.82
  4. Step 4: Simplify right side
    108,387.02x = 16,529,124,150.70
  5. Step 5: Solve for x
    x = 16,529,124,150.70/108,387.02
  6. Step 6: Final answer
    x = 152,500.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.