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Finding the Fourth Proportional to 119,959.71, 180,048.42 and 63,847.08

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Solution

The fourth proportional to 119,959.71, 180,048.42 and 63,847.08 is: 95,828.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,959.71 : 180,048.42 = 63,847.08 : x
  2. Step 2: Convert to fraction form
    119,959.71/180,048.42 = 63,847.08/x
  3. Step 3: Cross multiply
    119,959.71x = 180,048.42 × 63,847.08
  4. Step 4: Simplify right side
    119,959.71x = 11,495,565,875.61
  5. Step 5: Solve for x
    x = 11,495,565,875.61/119,959.71
  6. Step 6: Final answer
    x = 95,828.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.