Home / 130,064.83-179,485.70-72,704.25

Finding the Fourth Proportional to 130,064.83, 179,485.70 and 72,704.25

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Solution

The fourth proportional to 130,064.83, 179,485.70 and 72,704.25 is: 100,329.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,064.83 : 179,485.70 = 72,704.25 : x
  2. Step 2: Convert to fraction form
    130,064.83/179,485.70 = 72,704.25/x
  3. Step 3: Cross multiply
    130,064.83x = 179,485.70 × 72,704.25
  4. Step 4: Simplify right side
    130,064.83x = 13,049,372,840.70
  5. Step 5: Solve for x
    x = 13,049,372,840.70/130,064.83
  6. Step 6: Final answer
    x = 100,329.76

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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.