Home / 163,959.03-245,938.55-45,639.60

Finding the Fourth Proportional to 163,959.03, 245,938.55 and 45,639.60

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Solution

The fourth proportional to 163,959.03, 245,938.55 and 45,639.60 is: 68,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,959.03 : 245,938.55 = 45,639.60 : x
  2. Step 2: Convert to fraction form
    163,959.03/245,938.55 = 45,639.60/x
  3. Step 3: Cross multiply
    163,959.03x = 245,938.55 × 45,639.60
  4. Step 4: Simplify right side
    163,959.03x = 11,224,536,818.38
  5. Step 5: Solve for x
    x = 11,224,536,818.38/163,959.03
  6. Step 6: Final answer
    x = 68,459.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.