Home / 103,297.02-142,552.74-63,001.56

Finding the Fourth Proportional to 103,297.02, 142,552.74 and 63,001.56

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Solution

The fourth proportional to 103,297.02, 142,552.74 and 63,001.56 is: 86,943.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,297.02 : 142,552.74 = 63,001.56 : x
  2. Step 2: Convert to fraction form
    103,297.02/142,552.74 = 63,001.56/x
  3. Step 3: Cross multiply
    103,297.02x = 142,552.74 × 63,001.56
  4. Step 4: Simplify right side
    103,297.02x = 8,981,045,002.27
  5. Step 5: Solve for x
    x = 8,981,045,002.27/103,297.02
  6. Step 6: Final answer
    x = 86,943.89

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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.