Home / 88,507.36-122,129.40-50,252.96

Finding the Fourth Proportional to 88,507.36, 122,129.40 and 50,252.96

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Solution

The fourth proportional to 88,507.36, 122,129.40 and 50,252.96 is: 69,342.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,507.36 : 122,129.40 = 50,252.96 : x
  2. Step 2: Convert to fraction form
    88,507.36/122,129.40 = 50,252.96/x
  3. Step 3: Cross multiply
    88,507.36x = 122,129.40 × 50,252.96
  4. Step 4: Simplify right side
    88,507.36x = 6,137,363,853.02
  5. Step 5: Solve for x
    x = 6,137,363,853.02/88,507.36
  6. Step 6: Final answer
    x = 69,342.98

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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.