Home / 103,655.15-155,485.16-37,099.88

Finding the Fourth Proportional to 103,655.15, 155,485.16 and 37,099.88

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Solution

The fourth proportional to 103,655.15, 155,485.16 and 37,099.88 is: 55,650.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,655.15 : 155,485.16 = 37,099.88 : x
  2. Step 2: Convert to fraction form
    103,655.15/155,485.16 = 37,099.88/x
  3. Step 3: Cross multiply
    103,655.15x = 155,485.16 × 37,099.88
  4. Step 4: Simplify right side
    103,655.15x = 5,768,480,777.78
  5. Step 5: Solve for x
    x = 5,768,480,777.78/103,655.15
  6. Step 6: Final answer
    x = 55,650.69

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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.