Home / 155,217.72-231,468.12-153,798.84

Finding the Fourth Proportional to 155,217.72, 231,468.12 and 153,798.84

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Solution

The fourth proportional to 155,217.72, 231,468.12 and 153,798.84 is: 229,352.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,217.72 : 231,468.12 = 153,798.84 : x
  2. Step 2: Convert to fraction form
    155,217.72/231,468.12 = 153,798.84/x
  3. Step 3: Cross multiply
    155,217.72x = 231,468.12 × 153,798.84
  4. Step 4: Simplify right side
    155,217.72x = 35,599,528,352.98
  5. Step 5: Solve for x
    x = 35,599,528,352.98/155,217.72
  6. Step 6: Final answer
    x = 229,352.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.