Home / 171,585.42-257,263.11-66,281.37

Finding the Fourth Proportional to 171,585.42, 257,263.11 and 66,281.37

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Solution

The fourth proportional to 171,585.42, 257,263.11 and 66,281.37 is: 99,377.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,585.42 : 257,263.11 = 66,281.37 : x
  2. Step 2: Convert to fraction form
    171,585.42/257,263.11 = 66,281.37/x
  3. Step 3: Cross multiply
    171,585.42x = 257,263.11 × 66,281.37
  4. Step 4: Simplify right side
    171,585.42x = 17,051,751,381.26
  5. Step 5: Solve for x
    x = 17,051,751,381.26/171,585.42
  6. Step 6: Final answer
    x = 99,377.62

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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.