Home / 124,336.95-171,580.35-76,019.82

Finding the Fourth Proportional to 124,336.95, 171,580.35 and 76,019.82

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Solution

The fourth proportional to 124,336.95, 171,580.35 and 76,019.82 is: 104,904.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,336.95 : 171,580.35 = 76,019.82 : x
  2. Step 2: Convert to fraction form
    124,336.95/171,580.35 = 76,019.82/x
  3. Step 3: Cross multiply
    124,336.95x = 171,580.35 × 76,019.82
  4. Step 4: Simplify right side
    124,336.95x = 13,043,507,322.54
  5. Step 5: Solve for x
    x = 13,043,507,322.54/124,336.95
  6. Step 6: Final answer
    x = 104,904.51

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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.