Home / 180,951.22-249,842.10-120,664

Finding the Fourth Proportional to 180,951.22, 249,842.10 and 120,664

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Solution

The fourth proportional to 180,951.22, 249,842.10 and 120,664 is: 166,602.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,951.22 : 249,842.10 = 120,664 : x
  2. Step 2: Convert to fraction form
    180,951.22/249,842.10 = 120,664/x
  3. Step 3: Cross multiply
    180,951.22x = 249,842.10 × 120,664
  4. Step 4: Simplify right side
    180,951.22x = 30,146,947,154.40
  5. Step 5: Solve for x
    x = 30,146,947,154.40/180,951.22
  6. Step 6: Final answer
    x = 166,602.62

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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.