Home / 130,663.56-180,323.57-76,984.35

Finding the Fourth Proportional to 130,663.56, 180,323.57 and 76,984.35

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Solution

The fourth proportional to 130,663.56, 180,323.57 and 76,984.35 is: 106,243.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,663.56 : 180,323.57 = 76,984.35 : x
  2. Step 2: Convert to fraction form
    130,663.56/180,323.57 = 76,984.35/x
  3. Step 3: Cross multiply
    130,663.56x = 180,323.57 × 76,984.35
  4. Step 4: Simplify right side
    130,663.56x = 13,882,092,441.21
  5. Step 5: Solve for x
    x = 13,882,092,441.21/130,663.56
  6. Step 6: Final answer
    x = 106,243.03

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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.