Home / 245,585.02-368,518.74-103,419.09

Finding the Fourth Proportional to 245,585.02, 368,518.74 and 103,419.09

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Solution

The fourth proportional to 245,585.02, 368,518.74 and 103,419.09 is: 155,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,585.02 : 368,518.74 = 103,419.09 : x
  2. Step 2: Convert to fraction form
    245,585.02/368,518.74 = 103,419.09/x
  3. Step 3: Cross multiply
    245,585.02x = 368,518.74 × 103,419.09
  4. Step 4: Simplify right side
    245,585.02x = 38,111,872,738.75
  5. Step 5: Solve for x
    x = 38,111,872,738.75/245,585.02
  6. Step 6: Final answer
    x = 155,188.10

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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.