Home / 118,628.44-163,718.38-70,880.76

Finding the Fourth Proportional to 118,628.44, 163,718.38 and 70,880.76

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Solution

The fourth proportional to 118,628.44, 163,718.38 and 70,880.76 is: 97,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,628.44 : 163,718.38 = 70,880.76 : x
  2. Step 2: Convert to fraction form
    118,628.44/163,718.38 = 70,880.76/x
  3. Step 3: Cross multiply
    118,628.44x = 163,718.38 × 70,880.76
  4. Step 4: Simplify right side
    118,628.44x = 11,604,483,200.37
  5. Step 5: Solve for x
    x = 11,604,483,200.37/118,628.44
  6. Step 6: Final answer
    x = 97,822.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.