Home / 130,764.40-179,888.56-114,558.72

Finding the Fourth Proportional to 130,764.40, 179,888.56 and 114,558.72

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Solution

The fourth proportional to 130,764.40, 179,888.56 and 114,558.72 is: 157,594.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,764.40 : 179,888.56 = 114,558.72 : x
  2. Step 2: Convert to fraction form
    130,764.40/179,888.56 = 114,558.72/x
  3. Step 3: Cross multiply
    130,764.40x = 179,888.56 × 114,558.72
  4. Step 4: Simplify right side
    130,764.40x = 20,607,803,176.24
  5. Step 5: Solve for x
    x = 20,607,803,176.24/130,764.40
  6. Step 6: Final answer
    x = 157,594.90

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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.