Home / 78,215.95-117,313.52-22,060.57

Finding the Fourth Proportional to 78,215.95, 117,313.52 and 22,060.57

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Solution

The fourth proportional to 78,215.95, 117,313.52 and 22,060.57 is: 33,087.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,215.95 : 117,313.52 = 22,060.57 : x
  2. Step 2: Convert to fraction form
    78,215.95/117,313.52 = 22,060.57/x
  3. Step 3: Cross multiply
    78,215.95x = 117,313.52 × 22,060.57
  4. Step 4: Simplify right side
    78,215.95x = 2,588,003,009.60
  5. Step 5: Solve for x
    x = 2,588,003,009.60/78,215.95
  6. Step 6: Final answer
    x = 33,087.92

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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.