Home / 166,261.65-229,441.10-90,810.15

Finding the Fourth Proportional to 166,261.65, 229,441.10 and 90,810.15

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Solution

The fourth proportional to 166,261.65, 229,441.10 and 90,810.15 is: 125,318.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,261.65 : 229,441.10 = 90,810.15 : x
  2. Step 2: Convert to fraction form
    166,261.65/229,441.10 = 90,810.15/x
  3. Step 3: Cross multiply
    166,261.65x = 229,441.10 × 90,810.15
  4. Step 4: Simplify right side
    166,261.65x = 20,835,579,392.71
  5. Step 5: Solve for x
    x = 20,835,579,392.71/166,261.65
  6. Step 6: Final answer
    x = 125,318.01

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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.