Home / 126,332.08-189,428.48-51,433.04

Finding the Fourth Proportional to 126,332.08, 189,428.48 and 51,433.04

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Solution

The fourth proportional to 126,332.08, 189,428.48 and 51,433.04 is: 77,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,332.08 : 189,428.48 = 51,433.04 : x
  2. Step 2: Convert to fraction form
    126,332.08/189,428.48 = 51,433.04/x
  3. Step 3: Cross multiply
    126,332.08x = 189,428.48 × 51,433.04
  4. Step 4: Simplify right side
    126,332.08x = 9,742,882,588.98
  5. Step 5: Solve for x
    x = 9,742,882,588.98/126,332.08
  6. Step 6: Final answer
    x = 77,121.21

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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.