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Finding the Fourth Proportional to 104,724, 144,518 and 62,281.60

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Solution

The fourth proportional to 104,724, 144,518 and 62,281.60 is: 85,947.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,724 : 144,518 = 62,281.60 : x
  2. Step 2: Convert to fraction form
    104,724/144,518 = 62,281.60/x
  3. Step 3: Cross multiply
    104,724x = 144,518 × 62,281.60
  4. Step 4: Simplify right side
    104,724x = 9,000,812,268.80
  5. Step 5: Solve for x
    x = 9,000,812,268.80/104,724
  6. Step 6: Final answer
    x = 85,947.94

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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.