Home / 119,321.19-164,663.36-65,607.12

Finding the Fourth Proportional to 119,321.19, 164,663.36 and 65,607.12

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Solution

The fourth proportional to 119,321.19, 164,663.36 and 65,607.12 is: 90,537.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,321.19 : 164,663.36 = 65,607.12 : x
  2. Step 2: Convert to fraction form
    119,321.19/164,663.36 = 65,607.12/x
  3. Step 3: Cross multiply
    119,321.19x = 164,663.36 × 65,607.12
  4. Step 4: Simplify right side
    119,321.19x = 10,803,088,491.09
  5. Step 5: Solve for x
    x = 10,803,088,491.09/119,321.19
  6. Step 6: Final answer
    x = 90,537.89

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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.