Home / 125,141.36-172,694.03-67,779.35

Finding the Fourth Proportional to 125,141.36, 172,694.03 and 67,779.35

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Solution

The fourth proportional to 125,141.36, 172,694.03 and 67,779.35 is: 93,534.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,141.36 : 172,694.03 = 67,779.35 : x
  2. Step 2: Convert to fraction form
    125,141.36/172,694.03 = 67,779.35/x
  3. Step 3: Cross multiply
    125,141.36x = 172,694.03 × 67,779.35
  4. Step 4: Simplify right side
    125,141.36x = 11,705,089,102.28
  5. Step 5: Solve for x
    x = 11,705,089,102.28/125,141.36
  6. Step 6: Final answer
    x = 93,534.94

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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.