Home / 245,918.17-368,927.61-103,763.49

Finding the Fourth Proportional to 245,918.17, 368,927.61 and 103,763.49

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Solution

The fourth proportional to 245,918.17, 368,927.61 and 103,763.49 is: 155,666.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,918.17 : 368,927.61 = 103,763.49 : x
  2. Step 2: Convert to fraction form
    245,918.17/368,927.61 = 103,763.49/x
  3. Step 3: Cross multiply
    245,918.17x = 368,927.61 × 103,763.49
  4. Step 4: Simplify right side
    245,918.17x = 38,281,216,370.96
  5. Step 5: Solve for x
    x = 38,281,216,370.96/245,918.17
  6. Step 6: Final answer
    x = 155,666.48

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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.