Home / 112,683.56-168,779.66-56,425.55

Finding the Fourth Proportional to 112,683.56, 168,779.66 and 56,425.55

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Solution

The fourth proportional to 112,683.56, 168,779.66 and 56,425.55 is: 84,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,683.56 : 168,779.66 = 56,425.55 : x
  2. Step 2: Convert to fraction form
    112,683.56/168,779.66 = 56,425.55/x
  3. Step 3: Cross multiply
    112,683.56x = 168,779.66 × 56,425.55
  4. Step 4: Simplify right side
    112,683.56x = 9,523,484,018.29
  5. Step 5: Solve for x
    x = 9,523,484,018.29/112,683.56
  6. Step 6: Final answer
    x = 84,515.30

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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.