Home / 108,138.07-149,230.86-60,393.23

Finding the Fourth Proportional to 108,138.07, 149,230.86 and 60,393.23

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Solution

The fourth proportional to 108,138.07, 149,230.86 and 60,393.23 is: 83,342.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,138.07 : 149,230.86 = 60,393.23 : x
  2. Step 2: Convert to fraction form
    108,138.07/149,230.86 = 60,393.23/x
  3. Step 3: Cross multiply
    108,138.07x = 149,230.86 × 60,393.23
  4. Step 4: Simplify right side
    108,138.07x = 9,012,533,651.08
  5. Step 5: Solve for x
    x = 9,012,533,651.08/108,138.07
  6. Step 6: Final answer
    x = 83,342.84

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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.