Home / 124,036.08-171,170.64-67,447.68

Finding the Fourth Proportional to 124,036.08, 171,170.64 and 67,447.68

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Solution

The fourth proportional to 124,036.08, 171,170.64 and 67,447.68 is: 93,078.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,036.08 : 171,170.64 = 67,447.68 : x
  2. Step 2: Convert to fraction form
    124,036.08/171,170.64 = 67,447.68/x
  3. Step 3: Cross multiply
    124,036.08x = 171,170.64 × 67,447.68
  4. Step 4: Simplify right side
    124,036.08x = 11,545,062,552.12
  5. Step 5: Solve for x
    x = 11,545,062,552.12/124,036.08
  6. Step 6: Final answer
    x = 93,078.26

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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.