Home / 134,436.92-185,501.25-77,065.70

Finding the Fourth Proportional to 134,436.92, 185,501.25 and 77,065.70

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Solution

The fourth proportional to 134,436.92, 185,501.25 and 77,065.70 is: 106,338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,436.92 : 185,501.25 = 77,065.70 : x
  2. Step 2: Convert to fraction form
    134,436.92/185,501.25 = 77,065.70/x
  3. Step 3: Cross multiply
    134,436.92x = 185,501.25 × 77,065.70
  4. Step 4: Simplify right side
    134,436.92x = 14,295,782,754.62
  5. Step 5: Solve for x
    x = 14,295,782,754.62/134,436.92
  6. Step 6: Final answer
    x = 106,338.22

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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.