Home / 189,485.40-261,488.58-104,602.44

Finding the Fourth Proportional to 189,485.40, 261,488.58 and 104,602.44

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Solution

The fourth proportional to 189,485.40, 261,488.58 and 104,602.44 is: 144,350.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,485.40 : 261,488.58 = 104,602.44 : x
  2. Step 2: Convert to fraction form
    189,485.40/261,488.58 = 104,602.44/x
  3. Step 3: Cross multiply
    189,485.40x = 261,488.58 × 104,602.44
  4. Step 4: Simplify right side
    189,485.40x = 27,352,343,500.14
  5. Step 5: Solve for x
    x = 27,352,343,500.14/189,485.40
  6. Step 6: Final answer
    x = 144,350.67

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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.