Home / 193,303.23-266,767.59-120,749.10

Finding the Fourth Proportional to 193,303.23, 266,767.59 and 120,749.10

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Solution

The fourth proportional to 193,303.23, 266,767.59 and 120,749.10 is: 166,639.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,303.23 : 266,767.59 = 120,749.10 : x
  2. Step 2: Convert to fraction form
    193,303.23/266,767.59 = 120,749.10/x
  3. Step 3: Cross multiply
    193,303.23x = 266,767.59 × 120,749.10
  4. Step 4: Simplify right side
    193,303.23x = 32,211,946,401.67
  5. Step 5: Solve for x
    x = 32,211,946,401.67/193,303.23
  6. Step 6: Final answer
    x = 166,639.46

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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.