Home / 166,619.70-249,929.55-73,125.45

Finding the Fourth Proportional to 166,619.70, 249,929.55 and 73,125.45

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Solution

The fourth proportional to 166,619.70, 249,929.55 and 73,125.45 is: 109,688.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,619.70 : 249,929.55 = 73,125.45 : x
  2. Step 2: Convert to fraction form
    166,619.70/249,929.55 = 73,125.45/x
  3. Step 3: Cross multiply
    166,619.70x = 249,929.55 × 73,125.45
  4. Step 4: Simplify right side
    166,619.70x = 18,276,210,812.05
  5. Step 5: Solve for x
    x = 18,276,210,812.05/166,619.70
  6. Step 6: Final answer
    x = 109,688.18

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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.