Home / 145,639.10-200,933.89-118,735.35

Finding the Fourth Proportional to 145,639.10, 200,933.89 and 118,735.35

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Solution

The fourth proportional to 145,639.10, 200,933.89 and 118,735.35 is: 163,815.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,639.10 : 200,933.89 = 118,735.35 : x
  2. Step 2: Convert to fraction form
    145,639.10/200,933.89 = 118,735.35/x
  3. Step 3: Cross multiply
    145,639.10x = 200,933.89 × 118,735.35
  4. Step 4: Simplify right side
    145,639.10x = 23,857,955,756.01
  5. Step 5: Solve for x
    x = 23,857,955,756.01/145,639.10
  6. Step 6: Final answer
    x = 163,815.59

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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.