Home / 130,254.08-179,785.98-76,556.34

Finding the Fourth Proportional to 130,254.08, 179,785.98 and 76,556.34

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Solution

The fourth proportional to 130,254.08, 179,785.98 and 76,556.34 is: 105,668.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,254.08 : 179,785.98 = 76,556.34 : x
  2. Step 2: Convert to fraction form
    130,254.08/179,785.98 = 76,556.34/x
  3. Step 3: Cross multiply
    130,254.08x = 179,785.98 × 76,556.34
  4. Step 4: Simplify right side
    130,254.08x = 13,763,756,612.11
  5. Step 5: Solve for x
    x = 13,763,756,612.11/130,254.08
  6. Step 6: Final answer
    x = 105,668.53

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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.