Home / 162,457.64-243,435.12-112,635.08

Finding the Fourth Proportional to 162,457.64, 243,435.12 and 112,635.08

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Solution

The fourth proportional to 162,457.64, 243,435.12 and 112,635.08 is: 168,778.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,457.64 : 243,435.12 = 112,635.08 : x
  2. Step 2: Convert to fraction form
    162,457.64/243,435.12 = 112,635.08/x
  3. Step 3: Cross multiply
    162,457.64x = 243,435.12 × 112,635.08
  4. Step 4: Simplify right side
    162,457.64x = 27,419,334,216.01
  5. Step 5: Solve for x
    x = 27,419,334,216.01/162,457.64
  6. Step 6: Final answer
    x = 168,778.36

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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.