Home / 155,438.67-233,158.05-43,147.16

Finding the Fourth Proportional to 155,438.67, 233,158.05 and 43,147.16

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Solution

The fourth proportional to 155,438.67, 233,158.05 and 43,147.16 is: 64,720.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,438.67 : 233,158.05 = 43,147.16 : x
  2. Step 2: Convert to fraction form
    155,438.67/233,158.05 = 43,147.16/x
  3. Step 3: Cross multiply
    155,438.67x = 233,158.05 × 43,147.16
  4. Step 4: Simplify right side
    155,438.67x = 10,060,106,522.85
  5. Step 5: Solve for x
    x = 10,060,106,522.85/155,438.67
  6. Step 6: Final answer
    x = 64,720.74

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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.