Home / 130,596.10-180,222.67-76,914.16

Finding the Fourth Proportional to 130,596.10, 180,222.67 and 76,914.16

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Solution

The fourth proportional to 130,596.10, 180,222.67 and 76,914.16 is: 106,141.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,596.10 : 180,222.67 = 76,914.16 : x
  2. Step 2: Convert to fraction form
    130,596.10/180,222.67 = 76,914.16/x
  3. Step 3: Cross multiply
    130,596.10x = 180,222.67 × 76,914.16
  4. Step 4: Simplify right side
    130,596.10x = 13,861,674,921.59
  5. Step 5: Solve for x
    x = 13,861,674,921.59/130,596.10
  6. Step 6: Final answer
    x = 106,141.57

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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.