Home / 162,008.20-243,012.30-112,074.40

Finding the Fourth Proportional to 162,008.20, 243,012.30 and 112,074.40

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Solution

The fourth proportional to 162,008.20, 243,012.30 and 112,074.40 is: 168,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,008.20 : 243,012.30 = 112,074.40 : x
  2. Step 2: Convert to fraction form
    162,008.20/243,012.30 = 112,074.40/x
  3. Step 3: Cross multiply
    162,008.20x = 243,012.30 × 112,074.40
  4. Step 4: Simplify right side
    162,008.20x = 27,235,457,715.12
  5. Step 5: Solve for x
    x = 27,235,457,715.12/162,008.20
  6. Step 6: Final answer
    x = 168,111.60

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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.