Home / 162,719.17-243,987.36-111,485.68

Finding the Fourth Proportional to 162,719.17, 243,987.36 and 111,485.68

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Solution

The fourth proportional to 162,719.17, 243,987.36 and 111,485.68 is: 167,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,719.17 : 243,987.36 = 111,485.68 : x
  2. Step 2: Convert to fraction form
    162,719.17/243,987.36 = 111,485.68/x
  3. Step 3: Cross multiply
    162,719.17x = 243,987.36 × 111,485.68
  4. Step 4: Simplify right side
    162,719.17x = 27,201,096,741.00
  5. Step 5: Solve for x
    x = 27,201,096,741.00/162,719.17
  6. Step 6: Final answer
    x = 167,165.90

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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.