Home / 124,307.96-171,545-67,719.36

Finding the Fourth Proportional to 124,307.96, 171,545 and 67,719.36

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Solution

The fourth proportional to 124,307.96, 171,545 and 67,719.36 is: 93,452.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,307.96 : 171,545 = 67,719.36 : x
  2. Step 2: Convert to fraction form
    124,307.96/171,545 = 67,719.36/x
  3. Step 3: Cross multiply
    124,307.96x = 171,545 × 67,719.36
  4. Step 4: Simplify right side
    124,307.96x = 11,616,917,611.20
  5. Step 5: Solve for x
    x = 11,616,917,611.20/124,307.96
  6. Step 6: Final answer
    x = 93,452.73

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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.