Home / 124,009.40-186,014.10-89,276.60

Finding the Fourth Proportional to 124,009.40, 186,014.10 and 89,276.60

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Solution

The fourth proportional to 124,009.40, 186,014.10 and 89,276.60 is: 133,914.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,009.40 : 186,014.10 = 89,276.60 : x
  2. Step 2: Convert to fraction form
    124,009.40/186,014.10 = 89,276.60/x
  3. Step 3: Cross multiply
    124,009.40x = 186,014.10 × 89,276.60
  4. Step 4: Simplify right side
    124,009.40x = 16,606,706,400.06
  5. Step 5: Solve for x
    x = 16,606,706,400.06/124,009.40
  6. Step 6: Final answer
    x = 133,914.90

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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.