Home / 114,064.26-170,977.68-42,938.10

Finding the Fourth Proportional to 114,064.26, 170,977.68 and 42,938.10

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Solution

The fourth proportional to 114,064.26, 170,977.68 and 42,938.10 is: 64,362.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,064.26 : 170,977.68 = 42,938.10 : x
  2. Step 2: Convert to fraction form
    114,064.26/170,977.68 = 42,938.10/x
  3. Step 3: Cross multiply
    114,064.26x = 170,977.68 × 42,938.10
  4. Step 4: Simplify right side
    114,064.26x = 7,341,456,721.61
  5. Step 5: Solve for x
    x = 7,341,456,721.61/114,064.26
  6. Step 6: Final answer
    x = 64,362.46

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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.