Home / 119,032.77-164,259.58-65,316.61

Finding the Fourth Proportional to 119,032.77, 164,259.58 and 65,316.61

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Solution

The fourth proportional to 119,032.77, 164,259.58 and 65,316.61 is: 90,133.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,032.77 : 164,259.58 = 65,316.61 : x
  2. Step 2: Convert to fraction form
    119,032.77/164,259.58 = 65,316.61/x
  3. Step 3: Cross multiply
    119,032.77x = 164,259.58 × 65,316.61
  4. Step 4: Simplify right side
    119,032.77x = 10,728,878,925.62
  5. Step 5: Solve for x
    x = 10,728,878,925.62/119,032.77
  6. Step 6: Final answer
    x = 90,133.83

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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.