Home / 163,918.62-245,829.33-70,402.50

Finding the Fourth Proportional to 163,918.62, 245,829.33 and 70,402.50

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Solution

The fourth proportional to 163,918.62, 245,829.33 and 70,402.50 is: 105,582.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,918.62 : 245,829.33 = 70,402.50 : x
  2. Step 2: Convert to fraction form
    163,918.62/245,829.33 = 70,402.50/x
  3. Step 3: Cross multiply
    163,918.62x = 245,829.33 × 70,402.50
  4. Step 4: Simplify right side
    163,918.62x = 17,306,999,405.33
  5. Step 5: Solve for x
    x = 17,306,999,405.33/163,918.62
  6. Step 6: Final answer
    x = 105,582.88

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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.