Home / 134,919.60-186,200.28-74,495.76

Finding the Fourth Proportional to 134,919.60, 186,200.28 and 74,495.76

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Solution

The fourth proportional to 134,919.60, 186,200.28 and 74,495.76 is: 102,810.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,919.60 : 186,200.28 = 74,495.76 : x
  2. Step 2: Convert to fraction form
    134,919.60/186,200.28 = 74,495.76/x
  3. Step 3: Cross multiply
    134,919.60x = 186,200.28 × 74,495.76
  4. Step 4: Simplify right side
    134,919.60x = 13,871,131,370.81
  5. Step 5: Solve for x
    x = 13,871,131,370.81/134,919.60
  6. Step 6: Final answer
    x = 102,810.35

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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.