Home / 123,931.08-185,885.22-40,825.08

Finding the Fourth Proportional to 123,931.08, 185,885.22 and 40,825.08

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Solution

The fourth proportional to 123,931.08, 185,885.22 and 40,825.08 is: 61,233.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,931.08 : 185,885.22 = 40,825.08 : x
  2. Step 2: Convert to fraction form
    123,931.08/185,885.22 = 40,825.08/x
  3. Step 3: Cross multiply
    123,931.08x = 185,885.22 × 40,825.08
  4. Step 4: Simplify right side
    123,931.08x = 7,588,778,977.32
  5. Step 5: Solve for x
    x = 7,588,778,977.32/123,931.08
  6. Step 6: Final answer
    x = 61,233.86

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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.