Home / 149,245.04-205,959.57-85,570.53

Finding the Fourth Proportional to 149,245.04, 205,959.57 and 85,570.53

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Solution

The fourth proportional to 149,245.04, 205,959.57 and 85,570.53 is: 118,088.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,245.04 : 205,959.57 = 85,570.53 : x
  2. Step 2: Convert to fraction form
    149,245.04/205,959.57 = 85,570.53/x
  3. Step 3: Cross multiply
    149,245.04x = 205,959.57 × 85,570.53
  4. Step 4: Simplify right side
    149,245.04x = 17,624,069,563.47
  5. Step 5: Solve for x
    x = 17,624,069,563.47/149,245.04
  6. Step 6: Final answer
    x = 118,088.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.