Home / 108,065.80-149,130.96-60,319.12

Finding the Fourth Proportional to 108,065.80, 149,130.96 and 60,319.12

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Solution

The fourth proportional to 108,065.80, 149,130.96 and 60,319.12 is: 83,240.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,065.80 : 149,130.96 = 60,319.12 : x
  2. Step 2: Convert to fraction form
    108,065.80/149,130.96 = 60,319.12/x
  3. Step 3: Cross multiply
    108,065.80x = 149,130.96 × 60,319.12
  4. Step 4: Simplify right side
    108,065.80x = 8,995,448,271.96
  5. Step 5: Solve for x
    x = 8,995,448,271.96/108,065.80
  6. Step 6: Final answer
    x = 83,240.47

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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.