Home / 119,169.09-164,457.54-65,459.07

Finding the Fourth Proportional to 119,169.09, 164,457.54 and 65,459.07

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Solution

The fourth proportional to 119,169.09, 164,457.54 and 65,459.07 is: 90,335.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,169.09 : 164,457.54 = 65,459.07 : x
  2. Step 2: Convert to fraction form
    119,169.09/164,457.54 = 65,459.07/x
  3. Step 3: Cross multiply
    119,169.09x = 164,457.54 × 65,459.07
  4. Step 4: Simplify right side
    119,169.09x = 10,765,237,622.89
  5. Step 5: Solve for x
    x = 10,765,237,622.89/119,169.09
  6. Step 6: Final answer
    x = 90,335.82

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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.