Home / 124,313.28-186,170.40-77,507.52

Finding the Fourth Proportional to 124,313.28, 186,170.40 and 77,507.52

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Solution

The fourth proportional to 124,313.28, 186,170.40 and 77,507.52 is: 116,074.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,313.28 : 186,170.40 = 77,507.52 : x
  2. Step 2: Convert to fraction form
    124,313.28/186,170.40 = 77,507.52/x
  3. Step 3: Cross multiply
    124,313.28x = 186,170.40 × 77,507.52
  4. Step 4: Simplify right side
    124,313.28x = 14,429,606,001.41
  5. Step 5: Solve for x
    x = 14,429,606,001.41/124,313.28
  6. Step 6: Final answer
    x = 116,074.53

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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.