Home / 166,345.76-249,519.72-66,514.34

Finding the Fourth Proportional to 166,345.76, 249,519.72 and 66,514.34

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Solution

The fourth proportional to 166,345.76, 249,519.72 and 66,514.34 is: 99,771.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,345.76 : 249,519.72 = 66,514.34 : x
  2. Step 2: Convert to fraction form
    166,345.76/249,519.72 = 66,514.34/x
  3. Step 3: Cross multiply
    166,345.76x = 249,519.72 × 66,514.34
  4. Step 4: Simplify right side
    166,345.76x = 16,596,639,492.78
  5. Step 5: Solve for x
    x = 16,596,639,492.78/166,345.76
  6. Step 6: Final answer
    x = 99,771.94

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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.