Home / 153,932.90-212,425.18-85,950.93

Finding the Fourth Proportional to 153,932.90, 212,425.18 and 85,950.93

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Solution

The fourth proportional to 153,932.90, 212,425.18 and 85,950.93 is: 118,611.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,932.90 : 212,425.18 = 85,950.93 : x
  2. Step 2: Convert to fraction form
    153,932.90/212,425.18 = 85,950.93/x
  3. Step 3: Cross multiply
    153,932.90x = 212,425.18 × 85,950.93
  4. Step 4: Simplify right side
    153,932.90x = 18,258,141,776.42
  5. Step 5: Solve for x
    x = 18,258,141,776.42/153,932.90
  6. Step 6: Final answer
    x = 118,611.04

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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.