Home / 106,316.80-159,475.20-47,267.80

Finding the Fourth Proportional to 106,316.80, 159,475.20 and 47,267.80

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Solution

The fourth proportional to 106,316.80, 159,475.20 and 47,267.80 is: 70,901.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,316.80 : 159,475.20 = 47,267.80 : x
  2. Step 2: Convert to fraction form
    106,316.80/159,475.20 = 47,267.80/x
  3. Step 3: Cross multiply
    106,316.80x = 159,475.20 × 47,267.80
  4. Step 4: Simplify right side
    106,316.80x = 7,538,041,858.56
  5. Step 5: Solve for x
    x = 7,538,041,858.56/106,316.80
  6. Step 6: Final answer
    x = 70,901.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.