Home / 245,845.18-368,911.16-103,681.69

Finding the Fourth Proportional to 245,845.18, 368,911.16 and 103,681.69

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Solution

The fourth proportional to 245,845.18, 368,911.16 and 103,681.69 is: 155,583.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,845.18 : 368,911.16 = 103,681.69 : x
  2. Step 2: Convert to fraction form
    245,845.18/368,911.16 = 103,681.69/x
  3. Step 3: Cross multiply
    245,845.18x = 368,911.16 × 103,681.69
  4. Step 4: Simplify right side
    245,845.18x = 38,249,332,528.66
  5. Step 5: Solve for x
    x = 38,249,332,528.66/245,845.18
  6. Step 6: Final answer
    x = 155,583.01

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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.