Home / 103,437.60-142,726.62-61,004.53

Finding the Fourth Proportional to 103,437.60, 142,726.62 and 61,004.53

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Solution

The fourth proportional to 103,437.60, 142,726.62 and 61,004.53 is: 84,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,437.60 : 142,726.62 = 61,004.53 : x
  2. Step 2: Convert to fraction form
    103,437.60/142,726.62 = 61,004.53/x
  3. Step 3: Cross multiply
    103,437.60x = 142,726.62 × 61,004.53
  4. Step 4: Simplify right side
    103,437.60x = 8,706,970,371.59
  5. Step 5: Solve for x
    x = 8,706,970,371.59/103,437.60
  6. Step 6: Final answer
    x = 84,176.07

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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.