Home / 137,263.98-189,427.50-76,833.12

Finding the Fourth Proportional to 137,263.98, 189,427.50 and 76,833.12

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Solution

The fourth proportional to 137,263.98, 189,427.50 and 76,833.12 is: 106,031.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,263.98 : 189,427.50 = 76,833.12 : x
  2. Step 2: Convert to fraction form
    137,263.98/189,427.50 = 76,833.12/x
  3. Step 3: Cross multiply
    137,263.98x = 189,427.50 × 76,833.12
  4. Step 4: Simplify right side
    137,263.98x = 14,554,305,838.80
  5. Step 5: Solve for x
    x = 14,554,305,838.80/137,263.98
  6. Step 6: Final answer
    x = 106,031.50

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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.