Home / 118,338.24-163,300.32-64,622.40

Finding the Fourth Proportional to 118,338.24, 163,300.32 and 64,622.40

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Solution

The fourth proportional to 118,338.24, 163,300.32 and 64,622.40 is: 89,175.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,338.24 : 163,300.32 = 64,622.40 : x
  2. Step 2: Convert to fraction form
    118,338.24/163,300.32 = 64,622.40/x
  3. Step 3: Cross multiply
    118,338.24x = 163,300.32 × 64,622.40
  4. Step 4: Simplify right side
    118,338.24x = 10,552,858,599.17
  5. Step 5: Solve for x
    x = 10,552,858,599.17/118,338.24
  6. Step 6: Final answer
    x = 89,175.39

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1.5x scale

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.