Home / 130,235.94-179,668.58-76,496.74

Finding the Fourth Proportional to 130,235.94, 179,668.58 and 76,496.74

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Solution

The fourth proportional to 130,235.94, 179,668.58 and 76,496.74 is: 105,532.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,235.94 : 179,668.58 = 76,496.74 : x
  2. Step 2: Convert to fraction form
    130,235.94/179,668.58 = 76,496.74/x
  3. Step 3: Cross multiply
    130,235.94x = 179,668.58 × 76,496.74
  4. Step 4: Simplify right side
    130,235.94x = 13,744,060,650.43
  5. Step 5: Solve for x
    x = 13,744,060,650.43/130,235.94
  6. Step 6: Final answer
    x = 105,532.01

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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.