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Finding the Fourth Proportional to 124,010.40, 186,015.60 and 89,277.60

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Solution

The fourth proportional to 124,010.40, 186,015.60 and 89,277.60 is: 133,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,010.40 : 186,015.60 = 89,277.60 : x
  2. Step 2: Convert to fraction form
    124,010.40/186,015.60 = 89,277.60/x
  3. Step 3: Cross multiply
    124,010.40x = 186,015.60 × 89,277.60
  4. Step 4: Simplify right side
    124,010.40x = 16,607,026,330.56
  5. Step 5: Solve for x
    x = 16,607,026,330.56/124,010.40
  6. Step 6: Final answer
    x = 133,916.40

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1.5x scale

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.