Home / 121,424.60-182,136.90-110,538.20

Finding the Fourth Proportional to 121,424.60, 182,136.90 and 110,538.20

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Solution

The fourth proportional to 121,424.60, 182,136.90 and 110,538.20 is: 165,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,424.60 : 182,136.90 = 110,538.20 : x
  2. Step 2: Convert to fraction form
    121,424.60/182,136.90 = 110,538.20/x
  3. Step 3: Cross multiply
    121,424.60x = 182,136.90 × 110,538.20
  4. Step 4: Simplify right side
    121,424.60x = 20,133,085,079.58
  5. Step 5: Solve for x
    x = 20,133,085,079.58/121,424.60
  6. Step 6: Final answer
    x = 165,807.30

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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.