Home / 119,455.68-164,849.61-65,739.32

Finding the Fourth Proportional to 119,455.68, 164,849.61 and 65,739.32

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Solution

The fourth proportional to 119,455.68, 164,849.61 and 65,739.32 is: 90,720.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,455.68 : 164,849.61 = 65,739.32 : x
  2. Step 2: Convert to fraction form
    119,455.68/164,849.61 = 65,739.32/x
  3. Step 3: Cross multiply
    119,455.68x = 164,849.61 × 65,739.32
  4. Step 4: Simplify right side
    119,455.68x = 10,837,101,263.67
  5. Step 5: Solve for x
    x = 10,837,101,263.67/119,455.68
  6. Step 6: Final answer
    x = 90,720.69

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1.5x scale

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.