Home / 141,974.48-195,925.56-78,312.26

Finding the Fourth Proportional to 141,974.48, 195,925.56 and 78,312.26

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Solution

The fourth proportional to 141,974.48, 195,925.56 and 78,312.26 is: 108,071.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,974.48 : 195,925.56 = 78,312.26 : x
  2. Step 2: Convert to fraction form
    141,974.48/195,925.56 = 78,312.26/x
  3. Step 3: Cross multiply
    141,974.48x = 195,925.56 × 78,312.26
  4. Step 4: Simplify right side
    141,974.48x = 15,343,373,395.37
  5. Step 5: Solve for x
    x = 15,343,373,395.37/141,974.48
  6. Step 6: Final answer
    x = 108,071.35

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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.