Home / 189,217.04-261,182.76-112,760.13

Finding the Fourth Proportional to 189,217.04, 261,182.76 and 112,760.13

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Solution

The fourth proportional to 189,217.04, 261,182.76 and 112,760.13 is: 155,646.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,217.04 : 261,182.76 = 112,760.13 : x
  2. Step 2: Convert to fraction form
    189,217.04/261,182.76 = 112,760.13/x
  3. Step 3: Cross multiply
    189,217.04x = 261,182.76 × 112,760.13
  4. Step 4: Simplify right side
    189,217.04x = 29,451,001,971.36
  5. Step 5: Solve for x
    x = 29,451,001,971.36/189,217.04
  6. Step 6: Final answer
    x = 155,646.67

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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.