Home / 119,134.05-164,407.77-65,415.93

Finding the Fourth Proportional to 119,134.05, 164,407.77 and 65,415.93

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Solution

The fourth proportional to 119,134.05, 164,407.77 and 65,415.93 is: 90,275.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,134.05 : 164,407.77 = 65,415.93 : x
  2. Step 2: Convert to fraction form
    119,134.05/164,407.77 = 65,415.93/x
  3. Step 3: Cross multiply
    119,134.05x = 164,407.77 × 65,415.93
  4. Step 4: Simplify right side
    119,134.05x = 10,754,887,173.78
  5. Step 5: Solve for x
    x = 10,754,887,173.78/119,134.05
  6. Step 6: Final answer
    x = 90,275.51

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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.