Home / 123,300.04-170,154.05-66,711.41

Finding the Fourth Proportional to 123,300.04, 170,154.05 and 66,711.41

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Solution

The fourth proportional to 123,300.04, 170,154.05 and 66,711.41 is: 92,061.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,300.04 : 170,154.05 = 66,711.41 : x
  2. Step 2: Convert to fraction form
    123,300.04/170,154.05 = 66,711.41/x
  3. Step 3: Cross multiply
    123,300.04x = 170,154.05 × 66,711.41
  4. Step 4: Simplify right side
    123,300.04x = 11,351,216,942.43
  5. Step 5: Solve for x
    x = 11,351,216,942.43/123,300.04
  6. Step 6: Final answer
    x = 92,061.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.