Home / 283,130.32-424,957.92-142,987.36

Finding the Fourth Proportional to 283,130.32, 424,957.92 and 142,987.36

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Solution

The fourth proportional to 283,130.32, 424,957.92 and 142,987.36 is: 214,613.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,130.32 : 424,957.92 = 142,987.36 : x
  2. Step 2: Convert to fraction form
    283,130.32/424,957.92 = 142,987.36/x
  3. Step 3: Cross multiply
    283,130.32x = 424,957.92 × 142,987.36
  4. Step 4: Simplify right side
    283,130.32x = 60,763,611,091.89
  5. Step 5: Solve for x
    x = 60,763,611,091.89/283,130.32
  6. Step 6: Final answer
    x = 214,613.58

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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.