Home / 134,969.81-186,259.73-74,541.96

Finding the Fourth Proportional to 134,969.81, 186,259.73 and 74,541.96

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Solution

The fourth proportional to 134,969.81, 186,259.73 and 74,541.96 is: 102,868.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,969.81 : 186,259.73 = 74,541.96 : x
  2. Step 2: Convert to fraction form
    134,969.81/186,259.73 = 74,541.96/x
  3. Step 3: Cross multiply
    134,969.81x = 186,259.73 × 74,541.96
  4. Step 4: Simplify right side
    134,969.81x = 13,884,164,970.56
  5. Step 5: Solve for x
    x = 13,884,164,970.56/134,969.81
  6. Step 6: Final answer
    x = 102,868.67

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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.