Home / 108,088.18-149,164.20-67,803.64

Finding the Fourth Proportional to 108,088.18, 149,164.20 and 67,803.64

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Solution

The fourth proportional to 108,088.18, 149,164.20 and 67,803.64 is: 93,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,088.18 : 149,164.20 = 67,803.64 : x
  2. Step 2: Convert to fraction form
    108,088.18/149,164.20 = 67,803.64/x
  3. Step 3: Cross multiply
    108,088.18x = 149,164.20 × 67,803.64
  4. Step 4: Simplify right side
    108,088.18x = 10,113,875,717.69
  5. Step 5: Solve for x
    x = 10,113,875,717.69/108,088.18
  6. Step 6: Final answer
    x = 93,570.60

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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.