Home / 155,509.72-233,263.05-71,245.98

Finding the Fourth Proportional to 155,509.72, 233,263.05 and 71,245.98

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Solution

The fourth proportional to 155,509.72, 233,263.05 and 71,245.98 is: 106,868.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,509.72 : 233,263.05 = 71,245.98 : x
  2. Step 2: Convert to fraction form
    155,509.72/233,263.05 = 71,245.98/x
  3. Step 3: Cross multiply
    155,509.72x = 233,263.05 × 71,245.98
  4. Step 4: Simplify right side
    155,509.72x = 16,619,054,595.04
  5. Step 5: Solve for x
    x = 16,619,054,595.04/155,509.72
  6. Step 6: Final answer
    x = 106,868.27

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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.