Home / 189,948.12-262,180.22-118,285.80

Finding the Fourth Proportional to 189,948.12, 262,180.22 and 118,285.80

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Solution

The fourth proportional to 189,948.12, 262,180.22 and 118,285.80 is: 163,266.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,948.12 : 262,180.22 = 118,285.80 : x
  2. Step 2: Convert to fraction form
    189,948.12/262,180.22 = 118,285.80/x
  3. Step 3: Cross multiply
    189,948.12x = 262,180.22 × 118,285.80
  4. Step 4: Simplify right side
    189,948.12x = 31,012,197,066.88
  5. Step 5: Solve for x
    x = 31,012,197,066.88/189,948.12
  6. Step 6: Final answer
    x = 163,266.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.