Home / 155,434.16-233,128.10-43,102.65

Finding the Fourth Proportional to 155,434.16, 233,128.10 and 43,102.65

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Solution

The fourth proportional to 155,434.16, 233,128.10 and 43,102.65 is: 64,647.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,434.16 : 233,128.10 = 43,102.65 : x
  2. Step 2: Convert to fraction form
    155,434.16/233,128.10 = 43,102.65/x
  3. Step 3: Cross multiply
    155,434.16x = 233,128.10 × 43,102.65
  4. Step 4: Simplify right side
    155,434.16x = 10,048,438,683.95
  5. Step 5: Solve for x
    x = 10,048,438,683.95/155,434.16
  6. Step 6: Final answer
    x = 64,647.56

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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.