Home / 134,099.46-185,031.05-76,756.32

Finding the Fourth Proportional to 134,099.46, 185,031.05 and 76,756.32

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Solution

The fourth proportional to 134,099.46, 185,031.05 and 76,756.32 is: 105,908.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,099.46 : 185,031.05 = 76,756.32 : x
  2. Step 2: Convert to fraction form
    134,099.46/185,031.05 = 76,756.32/x
  3. Step 3: Cross multiply
    134,099.46x = 185,031.05 × 76,756.32
  4. Step 4: Simplify right side
    134,099.46x = 14,202,302,099.95
  5. Step 5: Solve for x
    x = 14,202,302,099.95/134,099.46
  6. Step 6: Final answer
    x = 105,908.72

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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.