Home / 195,389.58-292,628.61-142,668.30

Finding the Fourth Proportional to 195,389.58, 292,628.61 and 142,668.30

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Solution

The fourth proportional to 195,389.58, 292,628.61 and 142,668.30 is: 213,669.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,389.58 : 292,628.61 = 142,668.30 : x
  2. Step 2: Convert to fraction form
    195,389.58/292,628.61 = 142,668.30/x
  3. Step 3: Cross multiply
    195,389.58x = 292,628.61 × 142,668.30
  4. Step 4: Simplify right side
    195,389.58x = 41,748,826,320.06
  5. Step 5: Solve for x
    x = 41,748,826,320.06/195,389.58
  6. Step 6: Final answer
    x = 213,669.67

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1.5x scale

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.