Home / 103,035.60-142,194.47-57,710.93

Finding the Fourth Proportional to 103,035.60, 142,194.47 and 57,710.93

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Solution

The fourth proportional to 103,035.60, 142,194.47 and 57,710.93 is: 79,644.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,035.60 : 142,194.47 = 57,710.93 : x
  2. Step 2: Convert to fraction form
    103,035.60/142,194.47 = 57,710.93/x
  3. Step 3: Cross multiply
    103,035.60x = 142,194.47 × 57,710.93
  4. Step 4: Simplify right side
    103,035.60x = 8,206,174,105.03
  5. Step 5: Solve for x
    x = 8,206,174,105.03/103,035.60
  6. Step 6: Final answer
    x = 79,644.07

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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.