Home / 134,555.23-185,673.43-77,199.28

Finding the Fourth Proportional to 134,555.23, 185,673.43 and 77,199.28

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Solution

The fourth proportional to 134,555.23, 185,673.43 and 77,199.28 is: 106,527.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,555.23 : 185,673.43 = 77,199.28 : x
  2. Step 2: Convert to fraction form
    134,555.23/185,673.43 = 77,199.28/x
  3. Step 3: Cross multiply
    134,555.23x = 185,673.43 × 77,199.28
  4. Step 4: Simplify right side
    134,555.23x = 14,333,854,743.45
  5. Step 5: Solve for x
    x = 14,333,854,743.45/134,555.23
  6. Step 6: Final answer
    x = 106,527.67

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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.