Home / 166,329.78-249,486.57-61,142.10

Finding the Fourth Proportional to 166,329.78, 249,486.57 and 61,142.10

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Solution

The fourth proportional to 166,329.78, 249,486.57 and 61,142.10 is: 91,710.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,329.78 : 249,486.57 = 61,142.10 : x
  2. Step 2: Convert to fraction form
    166,329.78/249,486.57 = 61,142.10/x
  3. Step 3: Cross multiply
    166,329.78x = 249,486.57 × 61,142.10
  4. Step 4: Simplify right side
    166,329.78x = 15,254,132,811.60
  5. Step 5: Solve for x
    x = 15,254,132,811.60/166,329.78
  6. Step 6: Final answer
    x = 91,710.17

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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.