Home / 210,078.90-314,855.55-104,927.22

Finding the Fourth Proportional to 210,078.90, 314,855.55 and 104,927.22

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Solution

The fourth proportional to 210,078.90, 314,855.55 and 104,927.22 is: 157,259.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,078.90 : 314,855.55 = 104,927.22 : x
  2. Step 2: Convert to fraction form
    210,078.90/314,855.55 = 104,927.22/x
  3. Step 3: Cross multiply
    210,078.90x = 314,855.55 × 104,927.22
  4. Step 4: Simplify right side
    210,078.90x = 33,036,917,563.07
  5. Step 5: Solve for x
    x = 33,036,917,563.07/210,078.90
  6. Step 6: Final answer
    x = 157,259.57

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1.5x scale

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.