Home / 166,188.36-249,182.30-77,461.77

Finding the Fourth Proportional to 166,188.36, 249,182.30 and 77,461.77

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Solution

The fourth proportional to 166,188.36, 249,182.30 and 77,461.77 is: 116,145.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,188.36 : 249,182.30 = 77,461.77 : x
  2. Step 2: Convert to fraction form
    166,188.36/249,182.30 = 77,461.77/x
  3. Step 3: Cross multiply
    166,188.36x = 249,182.30 × 77,461.77
  4. Step 4: Simplify right side
    166,188.36x = 19,302,102,204.33
  5. Step 5: Solve for x
    x = 19,302,102,204.33/166,188.36
  6. Step 6: Final answer
    x = 116,145.93

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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.