Home / 130,475.37-180,052.95-76,763.84

Finding the Fourth Proportional to 130,475.37, 180,052.95 and 76,763.84

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Solution

The fourth proportional to 130,475.37, 180,052.95 and 76,763.84 is: 105,932.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,475.37 : 180,052.95 = 76,763.84 : x
  2. Step 2: Convert to fraction form
    130,475.37/180,052.95 = 76,763.84/x
  3. Step 3: Cross multiply
    130,475.37x = 180,052.95 × 76,763.84
  4. Step 4: Simplify right side
    130,475.37x = 13,821,556,295.46
  5. Step 5: Solve for x
    x = 13,821,556,295.46/130,475.37
  6. Step 6: Final answer
    x = 105,932.30

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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.