Home / 137,254.47-189,409.21-75,994.80

Finding the Fourth Proportional to 137,254.47, 189,409.21 and 75,994.80

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Solution

The fourth proportional to 137,254.47, 189,409.21 and 75,994.80 is: 104,871.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,254.47 : 189,409.21 = 75,994.80 : x
  2. Step 2: Convert to fraction form
    137,254.47/189,409.21 = 75,994.80/x
  3. Step 3: Cross multiply
    137,254.47x = 189,409.21 × 75,994.80
  4. Step 4: Simplify right side
    137,254.47x = 14,394,114,842.12
  5. Step 5: Solve for x
    x = 14,394,114,842.12/137,254.47
  6. Step 6: Final answer
    x = 104,871.74

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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.