Home / 124,599.36-171,948-68,011.20

Finding the Fourth Proportional to 124,599.36, 171,948 and 68,011.20

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Solution

The fourth proportional to 124,599.36, 171,948 and 68,011.20 is: 93,855.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,599.36 : 171,948 = 68,011.20 : x
  2. Step 2: Convert to fraction form
    124,599.36/171,948 = 68,011.20/x
  3. Step 3: Cross multiply
    124,599.36x = 171,948 × 68,011.20
  4. Step 4: Simplify right side
    124,599.36x = 11,694,389,817.60
  5. Step 5: Solve for x
    x = 11,694,389,817.60/124,599.36
  6. Step 6: Final answer
    x = 93,855.94

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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.