Home / 119,977.71-165,555.12-66,259.52

Finding the Fourth Proportional to 119,977.71, 165,555.12 and 66,259.52

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Solution

The fourth proportional to 119,977.71, 165,555.12 and 66,259.52 is: 91,430.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,977.71 : 165,555.12 = 66,259.52 : x
  2. Step 2: Convert to fraction form
    119,977.71/165,555.12 = 66,259.52/x
  3. Step 3: Cross multiply
    119,977.71x = 165,555.12 × 66,259.52
  4. Step 4: Simplify right side
    119,977.71x = 10,969,602,826.27
  5. Step 5: Solve for x
    x = 10,969,602,826.27/119,977.71
  6. Step 6: Final answer
    x = 91,430.34

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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.