Home / 137,277.48-189,446.13-76,846.62

Finding the Fourth Proportional to 137,277.48, 189,446.13 and 76,846.62

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Solution

The fourth proportional to 137,277.48, 189,446.13 and 76,846.62 is: 106,050.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,277.48 : 189,446.13 = 76,846.62 : x
  2. Step 2: Convert to fraction form
    137,277.48/189,446.13 = 76,846.62/x
  3. Step 3: Cross multiply
    137,277.48x = 189,446.13 × 76,846.62
  4. Step 4: Simplify right side
    137,277.48x = 14,558,294,762.58
  5. Step 5: Solve for x
    x = 14,558,294,762.58/137,277.48
  6. Step 6: Final answer
    x = 106,050.13

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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.