Home / 123,931.08-171,025.07-70,219.73

Finding the Fourth Proportional to 123,931.08, 171,025.07 and 70,219.73

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Solution

The fourth proportional to 123,931.08, 171,025.07 and 70,219.73 is: 96,903.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,931.08 : 171,025.07 = 70,219.73 : x
  2. Step 2: Convert to fraction form
    123,931.08/171,025.07 = 70,219.73/x
  3. Step 3: Cross multiply
    123,931.08x = 171,025.07 × 70,219.73
  4. Step 4: Simplify right side
    123,931.08x = 12,009,334,315.10
  5. Step 5: Solve for x
    x = 12,009,334,315.10/123,931.08
  6. Step 6: Final answer
    x = 96,903.33

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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.