Home / 147,003.42-220,227.65-86,852.41

Finding the Fourth Proportional to 147,003.42, 220,227.65 and 86,852.41

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Solution

The fourth proportional to 147,003.42, 220,227.65 and 86,852.41 is: 130,114.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,003.42 : 220,227.65 = 86,852.41 : x
  2. Step 2: Convert to fraction form
    147,003.42/220,227.65 = 86,852.41/x
  3. Step 3: Cross multiply
    147,003.42x = 220,227.65 × 86,852.41
  4. Step 4: Simplify right side
    147,003.42x = 19,127,302,151.14
  5. Step 5: Solve for x
    x = 19,127,302,151.14/147,003.42
  6. Step 6: Final answer
    x = 130,114.67

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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.