Home / 166,637.70-249,956.55-73,143.45

Finding the Fourth Proportional to 166,637.70, 249,956.55 and 73,143.45

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Solution

The fourth proportional to 166,637.70, 249,956.55 and 73,143.45 is: 109,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,637.70 : 249,956.55 = 73,143.45 : x
  2. Step 2: Convert to fraction form
    166,637.70/249,956.55 = 73,143.45/x
  3. Step 3: Cross multiply
    166,637.70x = 249,956.55 × 73,143.45
  4. Step 4: Simplify right side
    166,637.70x = 18,282,684,417.10
  5. Step 5: Solve for x
    x = 18,282,684,417.10/166,637.70
  6. Step 6: Final answer
    x = 109,715.18

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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.