Home / 108,077.12-149,131.20-60,323.84

Finding the Fourth Proportional to 108,077.12, 149,131.20 and 60,323.84

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Solution

The fourth proportional to 108,077.12, 149,131.20 and 60,323.84 is: 83,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,077.12 : 149,131.20 = 60,323.84 : x
  2. Step 2: Convert to fraction form
    108,077.12/149,131.20 = 60,323.84/x
  3. Step 3: Cross multiply
    108,077.12x = 149,131.20 × 60,323.84
  4. Step 4: Simplify right side
    108,077.12x = 8,996,166,647.81
  5. Step 5: Solve for x
    x = 8,996,166,647.81/108,077.12
  6. Step 6: Final answer
    x = 83,238.40

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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.