Home / 119,615.40-179,423.33-112,308.08

Finding the Fourth Proportional to 119,615.40, 179,423.33 and 112,308.08

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Solution

The fourth proportional to 119,615.40, 179,423.33 and 112,308.08 is: 168,462.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,615.40 : 179,423.33 = 112,308.08 : x
  2. Step 2: Convert to fraction form
    119,615.40/179,423.33 = 112,308.08/x
  3. Step 3: Cross multiply
    119,615.40x = 179,423.33 × 112,308.08
  4. Step 4: Simplify right side
    119,615.40x = 20,150,688,240.85
  5. Step 5: Solve for x
    x = 20,150,688,240.85/119,615.40
  6. Step 6: Final answer
    x = 168,462.32

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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.