Home / 103,212.02-142,425.33-57,886.58

Finding the Fourth Proportional to 103,212.02, 142,425.33 and 57,886.58

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Solution

The fourth proportional to 103,212.02, 142,425.33 and 57,886.58 is: 79,879.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,212.02 : 142,425.33 = 57,886.58 : x
  2. Step 2: Convert to fraction form
    103,212.02/142,425.33 = 57,886.58/x
  3. Step 3: Cross multiply
    103,212.02x = 142,425.33 × 57,886.58
  4. Step 4: Simplify right side
    103,212.02x = 8,244,515,259.07
  5. Step 5: Solve for x
    x = 8,244,515,259.07/103,212.02
  6. Step 6: Final answer
    x = 79,879.41

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1.5x scale

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.