Home / 149,879.72-224,832.54-61,139.36

Finding the Fourth Proportional to 149,879.72, 224,832.54 and 61,139.36

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Solution

The fourth proportional to 149,879.72, 224,832.54 and 61,139.36 is: 91,714.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,879.72 : 224,832.54 = 61,139.36 : x
  2. Step 2: Convert to fraction form
    149,879.72/224,832.54 = 61,139.36/x
  3. Step 3: Cross multiply
    149,879.72x = 224,832.54 × 61,139.36
  4. Step 4: Simplify right side
    149,879.72x = 13,746,117,602.77
  5. Step 5: Solve for x
    x = 13,746,117,602.77/149,879.72
  6. Step 6: Final answer
    x = 91,714.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.