Home / 119,054.08-164,289.36-65,339.20

Finding the Fourth Proportional to 119,054.08, 164,289.36 and 65,339.20

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Solution

The fourth proportional to 119,054.08, 164,289.36 and 65,339.20 is: 90,165.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,054.08 : 164,289.36 = 65,339.20 : x
  2. Step 2: Convert to fraction form
    119,054.08/164,289.36 = 65,339.20/x
  3. Step 3: Cross multiply
    119,054.08x = 164,289.36 × 65,339.20
  4. Step 4: Simplify right side
    119,054.08x = 10,734,535,350.91
  5. Step 5: Solve for x
    x = 10,734,535,350.91/119,054.08
  6. Step 6: Final answer
    x = 90,165.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.