Home / 124,145.28-186,172.56-45,236.16

Finding the Fourth Proportional to 124,145.28, 186,172.56 and 45,236.16

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Solution

The fourth proportional to 124,145.28, 186,172.56 and 45,236.16 is: 67,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,145.28 : 186,172.56 = 45,236.16 : x
  2. Step 2: Convert to fraction form
    124,145.28/186,172.56 = 45,236.16/x
  3. Step 3: Cross multiply
    124,145.28x = 186,172.56 × 45,236.16
  4. Step 4: Simplify right side
    124,145.28x = 8,421,731,711.77
  5. Step 5: Solve for x
    x = 8,421,731,711.77/124,145.28
  6. Step 6: Final answer
    x = 67,837.71

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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.