Home / 163,398.56-245,307.74-125,982.40

Finding the Fourth Proportional to 163,398.56, 245,307.74 and 125,982.40

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Solution

The fourth proportional to 163,398.56, 245,307.74 and 125,982.40 is: 189,135.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,398.56 : 245,307.74 = 125,982.40 : x
  2. Step 2: Convert to fraction form
    163,398.56/245,307.74 = 125,982.40/x
  3. Step 3: Cross multiply
    163,398.56x = 245,307.74 × 125,982.40
  4. Step 4: Simplify right side
    163,398.56x = 30,904,457,823.78
  5. Step 5: Solve for x
    x = 30,904,457,823.78/163,398.56
  6. Step 6: Final answer
    x = 189,135.44

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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.