Home / 88,857.06-122,602.98-51,131.31

Finding the Fourth Proportional to 88,857.06, 122,602.98 and 51,131.31

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Solution

The fourth proportional to 88,857.06, 122,602.98 and 51,131.31 is: 70,549.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,857.06 : 122,602.98 = 51,131.31 : x
  2. Step 2: Convert to fraction form
    88,857.06/122,602.98 = 51,131.31/x
  3. Step 3: Cross multiply
    88,857.06x = 122,602.98 × 51,131.31
  4. Step 4: Simplify right side
    88,857.06x = 6,268,850,364.29
  5. Step 5: Solve for x
    x = 6,268,850,364.29/88,857.06
  6. Step 6: Final answer
    x = 70,549.83

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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.