Home / 162,025.80-243,038.70-112,162.20

Finding the Fourth Proportional to 162,025.80, 243,038.70 and 112,162.20

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Solution

The fourth proportional to 162,025.80, 243,038.70 and 112,162.20 is: 168,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,025.80 : 243,038.70 = 112,162.20 : x
  2. Step 2: Convert to fraction form
    162,025.80/243,038.70 = 112,162.20/x
  3. Step 3: Cross multiply
    162,025.80x = 243,038.70 × 112,162.20
  4. Step 4: Simplify right side
    162,025.80x = 27,259,755,277.14
  5. Step 5: Solve for x
    x = 27,259,755,277.14/162,025.80
  6. Step 6: Final answer
    x = 168,243.30

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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.