Home / 119,836.30-165,374.98-66,123.30

Finding the Fourth Proportional to 119,836.30, 165,374.98 and 66,123.30

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Solution

The fourth proportional to 119,836.30, 165,374.98 and 66,123.30 is: 91,250.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,836.30 : 165,374.98 = 66,123.30 : x
  2. Step 2: Convert to fraction form
    119,836.30/165,374.98 = 66,123.30/x
  3. Step 3: Cross multiply
    119,836.30x = 165,374.98 × 66,123.30
  4. Step 4: Simplify right side
    119,836.30x = 10,935,139,415.03
  5. Step 5: Solve for x
    x = 10,935,139,415.03/119,836.30
  6. Step 6: Final answer
    x = 91,250.64

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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.