Home / 114,990.28-158,688.08-63,313.39

Finding the Fourth Proportional to 114,990.28, 158,688.08 and 63,313.39

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Solution

The fourth proportional to 114,990.28, 158,688.08 and 63,313.39 is: 87,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,990.28 : 158,688.08 = 63,313.39 : x
  2. Step 2: Convert to fraction form
    114,990.28/158,688.08 = 63,313.39/x
  3. Step 3: Cross multiply
    114,990.28x = 158,688.08 × 63,313.39
  4. Step 4: Simplify right side
    114,990.28x = 10,047,079,880.13
  5. Step 5: Solve for x
    x = 10,047,079,880.13/114,990.28
  6. Step 6: Final answer
    x = 87,373.30

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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.