Home / 169,918.76-254,528.16-99,628.58

Finding the Fourth Proportional to 169,918.76, 254,528.16 and 99,628.58

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Solution

The fourth proportional to 169,918.76, 254,528.16 and 99,628.58 is: 149,237.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,918.76 : 254,528.16 = 99,628.58 : x
  2. Step 2: Convert to fraction form
    169,918.76/254,528.16 = 99,628.58/x
  3. Step 3: Cross multiply
    169,918.76x = 254,528.16 × 99,628.58
  4. Step 4: Simplify right side
    169,918.76x = 25,358,279,150.81
  5. Step 5: Solve for x
    x = 25,358,279,150.81/169,918.76
  6. Step 6: Final answer
    x = 149,237.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.