Home / 130,632.23-180,289.16-76,922.25

Finding the Fourth Proportional to 130,632.23, 180,289.16 and 76,922.25

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Solution

The fourth proportional to 130,632.23, 180,289.16 and 76,922.25 is: 106,162.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,632.23 : 180,289.16 = 76,922.25 : x
  2. Step 2: Convert to fraction form
    130,632.23/180,289.16 = 76,922.25/x
  3. Step 3: Cross multiply
    130,632.23x = 180,289.16 × 76,922.25
  4. Step 4: Simplify right side
    130,632.23x = 13,868,247,837.81
  5. Step 5: Solve for x
    x = 13,868,247,837.81/130,632.23
  6. Step 6: Final answer
    x = 106,162.53

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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.