Home / 106,430.36-159,715.70-56,546.71

Finding the Fourth Proportional to 106,430.36, 159,715.70 and 56,546.71

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Solution

The fourth proportional to 106,430.36, 159,715.70 and 56,546.71 is: 84,857.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,430.36 : 159,715.70 = 56,546.71 : x
  2. Step 2: Convert to fraction form
    106,430.36/159,715.70 = 56,546.71/x
  3. Step 3: Cross multiply
    106,430.36x = 159,715.70 × 56,546.71
  4. Step 4: Simplify right side
    106,430.36x = 9,031,396,900.37
  5. Step 5: Solve for x
    x = 9,031,396,900.37/106,430.36
  6. Step 6: Final answer
    x = 84,857.34

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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.