Home / 137,700.75-190,029.03-77,267.85

Finding the Fourth Proportional to 137,700.75, 190,029.03 and 77,267.85

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Solution

The fourth proportional to 137,700.75, 190,029.03 and 77,267.85 is: 106,630.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,700.75 : 190,029.03 = 77,267.85 : x
  2. Step 2: Convert to fraction form
    137,700.75/190,029.03 = 77,267.85/x
  3. Step 3: Cross multiply
    137,700.75x = 190,029.03 × 77,267.85
  4. Step 4: Simplify right side
    137,700.75x = 14,683,134,585.69
  5. Step 5: Solve for x
    x = 14,683,134,585.69/137,700.75
  6. Step 6: Final answer
    x = 106,630.75

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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.