Home / 124,239.36-186,192.96-45,279.36

Finding the Fourth Proportional to 124,239.36, 186,192.96 and 45,279.36

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Solution

The fourth proportional to 124,239.36, 186,192.96 and 45,279.36 is: 67,858.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,239.36 : 186,192.96 = 45,279.36 : x
  2. Step 2: Convert to fraction form
    124,239.36/186,192.96 = 45,279.36/x
  3. Step 3: Cross multiply
    124,239.36x = 186,192.96 × 45,279.36
  4. Step 4: Simplify right side
    124,239.36x = 8,430,698,065.31
  5. Step 5: Solve for x
    x = 8,430,698,065.31/124,239.36
  6. Step 6: Final answer
    x = 67,858.51

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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.