Home / 104,935.95-144,811.80-57,189.27

Finding the Fourth Proportional to 104,935.95, 144,811.80 and 57,189.27

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Solution

The fourth proportional to 104,935.95, 144,811.80 and 57,189.27 is: 78,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,935.95 : 144,811.80 = 57,189.27 : x
  2. Step 2: Convert to fraction form
    104,935.95/144,811.80 = 57,189.27/x
  3. Step 3: Cross multiply
    104,935.95x = 144,811.80 × 57,189.27
  4. Step 4: Simplify right side
    104,935.95x = 8,281,681,129.39
  5. Step 5: Solve for x
    x = 8,281,681,129.39/104,935.95
  6. Step 6: Final answer
    x = 78,921.30

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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.