Home / 166,312.33-249,655.45-66,542.91

Finding the Fourth Proportional to 166,312.33, 249,655.45 and 66,542.91

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Solution

The fourth proportional to 166,312.33, 249,655.45 and 66,542.91 is: 99,889.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,312.33 : 249,655.45 = 66,542.91 : x
  2. Step 2: Convert to fraction form
    166,312.33/249,655.45 = 66,542.91/x
  3. Step 3: Cross multiply
    166,312.33x = 249,655.45 × 66,542.91
  4. Step 4: Simplify right side
    166,312.33x = 16,612,800,140.36
  5. Step 5: Solve for x
    x = 16,612,800,140.36/166,312.33
  6. Step 6: Final answer
    x = 99,889.17

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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.