Home / 245,087.06-367,679.80-111,931.57

Finding the Fourth Proportional to 245,087.06, 367,679.80 and 111,931.57

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Solution

The fourth proportional to 245,087.06, 367,679.80 and 111,931.57 is: 167,919.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,087.06 : 367,679.80 = 111,931.57 : x
  2. Step 2: Convert to fraction form
    245,087.06/367,679.80 = 111,931.57/x
  3. Step 3: Cross multiply
    245,087.06x = 367,679.80 × 111,931.57
  4. Step 4: Simplify right side
    245,087.06x = 41,154,975,432.89
  5. Step 5: Solve for x
    x = 41,154,975,432.89/245,087.06
  6. Step 6: Final answer
    x = 167,919.82

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1.5x scale

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.