Home / 245,943.40-369,087.90-105,802.60

Finding the Fourth Proportional to 245,943.40, 369,087.90 and 105,802.60

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Solution

The fourth proportional to 245,943.40, 369,087.90 and 105,802.60 is: 158,778.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,943.40 : 369,087.90 = 105,802.60 : x
  2. Step 2: Convert to fraction form
    245,943.40/369,087.90 = 105,802.60/x
  3. Step 3: Cross multiply
    245,943.40x = 369,087.90 × 105,802.60
  4. Step 4: Simplify right side
    245,943.40x = 39,050,459,448.54
  5. Step 5: Solve for x
    x = 39,050,459,448.54/245,943.40
  6. Step 6: Final answer
    x = 158,778.24

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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.