Home / 164,573.12-227,111.28-89,121.60

Finding the Fourth Proportional to 164,573.12, 227,111.28 and 89,121.60

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Solution

The fourth proportional to 164,573.12, 227,111.28 and 89,121.60 is: 122,988.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,573.12 : 227,111.28 = 89,121.60 : x
  2. Step 2: Convert to fraction form
    164,573.12/227,111.28 = 89,121.60/x
  3. Step 3: Cross multiply
    164,573.12x = 227,111.28 × 89,121.60
  4. Step 4: Simplify right side
    164,573.12x = 20,240,520,651.65
  5. Step 5: Solve for x
    x = 20,240,520,651.65/164,573.12
  6. Step 6: Final answer
    x = 122,988.01

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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.