Home / 162,559.20-243,547.20-139,231.20

Finding the Fourth Proportional to 162,559.20, 243,547.20 and 139,231.20

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Solution

The fourth proportional to 162,559.20, 243,547.20 and 139,231.20 is: 208,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,559.20 : 243,547.20 = 139,231.20 : x
  2. Step 2: Convert to fraction form
    162,559.20/243,547.20 = 139,231.20/x
  3. Step 3: Cross multiply
    162,559.20x = 243,547.20 × 139,231.20
  4. Step 4: Simplify right side
    162,559.20x = 33,909,368,912.64
  5. Step 5: Solve for x
    x = 33,909,368,912.64/162,559.20
  6. Step 6: Final answer
    x = 208,597.05

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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.