Home / 88,278.30-121,809.96-58,075.83

Finding the Fourth Proportional to 88,278.30, 121,809.96 and 58,075.83

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Solution

The fourth proportional to 88,278.30, 121,809.96 and 58,075.83 is: 80,135.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,278.30 : 121,809.96 = 58,075.83 : x
  2. Step 2: Convert to fraction form
    88,278.30/121,809.96 = 58,075.83/x
  3. Step 3: Cross multiply
    88,278.30x = 121,809.96 × 58,075.83
  4. Step 4: Simplify right side
    88,278.30x = 7,074,214,529.27
  5. Step 5: Solve for x
    x = 7,074,214,529.27/88,278.30
  6. Step 6: Final answer
    x = 80,135.37

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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.