Home / 109,403.23-164,090.25-30,510.85

Finding the Fourth Proportional to 109,403.23, 164,090.25 and 30,510.85

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Solution

The fourth proportional to 109,403.23, 164,090.25 and 30,510.85 is: 45,762.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,403.23 : 164,090.25 = 30,510.85 : x
  2. Step 2: Convert to fraction form
    109,403.23/164,090.25 = 30,510.85/x
  3. Step 3: Cross multiply
    109,403.23x = 164,090.25 × 30,510.85
  4. Step 4: Simplify right side
    109,403.23x = 5,006,533,004.21
  5. Step 5: Solve for x
    x = 5,006,533,004.21/109,403.23
  6. Step 6: Final answer
    x = 45,762.20

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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.