Home / 119,320.04-164,664.77-64,875.86

Finding the Fourth Proportional to 119,320.04, 164,664.77 and 64,875.86

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Solution

The fourth proportional to 119,320.04, 164,664.77 and 64,875.86 is: 89,530.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,320.04 : 164,664.77 = 64,875.86 : x
  2. Step 2: Convert to fraction form
    119,320.04/164,664.77 = 64,875.86/x
  3. Step 3: Cross multiply
    119,320.04x = 164,664.77 × 64,875.86
  4. Step 4: Simplify right side
    119,320.04x = 10,682,769,045.75
  5. Step 5: Solve for x
    x = 10,682,769,045.75/119,320.04
  6. Step 6: Final answer
    x = 89,530.39

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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.