Home / 88,139.83-121,635.01-52,329.93

Finding the Fourth Proportional to 88,139.83, 121,635.01 and 52,329.93

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Solution

The fourth proportional to 88,139.83, 121,635.01 and 52,329.93 is: 72,216.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,139.83 : 121,635.01 = 52,329.93 : x
  2. Step 2: Convert to fraction form
    88,139.83/121,635.01 = 52,329.93/x
  3. Step 3: Cross multiply
    88,139.83x = 121,635.01 × 52,329.93
  4. Step 4: Simplify right side
    88,139.83x = 6,365,151,558.85
  5. Step 5: Solve for x
    x = 6,365,151,558.85/88,139.83
  6. Step 6: Final answer
    x = 72,216.52

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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.