Home / 173,931.80-260,931.18-74,090.12

Finding the Fourth Proportional to 173,931.80, 260,931.18 and 74,090.12

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Solution

The fourth proportional to 173,931.80, 260,931.18 and 74,090.12 is: 111,149.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,931.80 : 260,931.18 = 74,090.12 : x
  2. Step 2: Convert to fraction form
    173,931.80/260,931.18 = 74,090.12/x
  3. Step 3: Cross multiply
    173,931.80x = 260,931.18 × 74,090.12
  4. Step 4: Simplify right side
    173,931.80x = 19,332,422,437.94
  5. Step 5: Solve for x
    x = 19,332,422,437.94/173,931.80
  6. Step 6: Final answer
    x = 111,149.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.