Home / 162,028.81-242,811.54-118,996.70

Finding the Fourth Proportional to 162,028.81, 242,811.54 and 118,996.70

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Solution

The fourth proportional to 162,028.81, 242,811.54 and 118,996.70 is: 178,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,028.81 : 242,811.54 = 118,996.70 : x
  2. Step 2: Convert to fraction form
    162,028.81/242,811.54 = 118,996.70/x
  3. Step 3: Cross multiply
    162,028.81x = 242,811.54 × 118,996.70
  4. Step 4: Simplify right side
    162,028.81x = 28,893,771,386.93
  5. Step 5: Solve for x
    x = 28,893,771,386.93/162,028.81
  6. Step 6: Final answer
    x = 178,324.90

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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.