Home / 112,036.86-167,880.17-70,396.38

Finding the Fourth Proportional to 112,036.86, 167,880.17 and 70,396.38

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Solution

The fourth proportional to 112,036.86, 167,880.17 and 70,396.38 is: 105,484.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,036.86 : 167,880.17 = 70,396.38 : x
  2. Step 2: Convert to fraction form
    112,036.86/167,880.17 = 70,396.38/x
  3. Step 3: Cross multiply
    112,036.86x = 167,880.17 × 70,396.38
  4. Step 4: Simplify right side
    112,036.86x = 11,818,156,241.78
  5. Step 5: Solve for x
    x = 11,818,156,241.78/112,036.86
  6. Step 6: Final answer
    x = 105,484.54

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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.