Home / 166,045.66-249,201.20-86,106.36

Finding the Fourth Proportional to 166,045.66, 249,201.20 and 86,106.36

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Solution

The fourth proportional to 166,045.66, 249,201.20 and 86,106.36 is: 129,228.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,045.66 : 249,201.20 = 86,106.36 : x
  2. Step 2: Convert to fraction form
    166,045.66/249,201.20 = 86,106.36/x
  3. Step 3: Cross multiply
    166,045.66x = 249,201.20 × 86,106.36
  4. Step 4: Simplify right side
    166,045.66x = 21,457,808,239.63
  5. Step 5: Solve for x
    x = 21,457,808,239.63/166,045.66
  6. Step 6: Final answer
    x = 129,228.36

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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.