Home / 108,428.50-149,632.08-60,686.26

Finding the Fourth Proportional to 108,428.50, 149,632.08 and 60,686.26

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Solution

The fourth proportional to 108,428.50, 149,632.08 and 60,686.26 is: 83,747.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,428.50 : 149,632.08 = 60,686.26 : x
  2. Step 2: Convert to fraction form
    108,428.50/149,632.08 = 60,686.26/x
  3. Step 3: Cross multiply
    108,428.50x = 149,632.08 × 60,686.26
  4. Step 4: Simplify right side
    108,428.50x = 9,080,611,311.22
  5. Step 5: Solve for x
    x = 9,080,611,311.22/108,428.50
  6. Step 6: Final answer
    x = 83,747.46

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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.