Home / 210,541.53-290,548.05-115,048.20

Finding the Fourth Proportional to 210,541.53, 290,548.05 and 115,048.20

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Solution

The fourth proportional to 210,541.53, 290,548.05 and 115,048.20 is: 158,766.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,541.53 : 290,548.05 = 115,048.20 : x
  2. Step 2: Convert to fraction form
    210,541.53/290,548.05 = 115,048.20/x
  3. Step 3: Cross multiply
    210,541.53x = 290,548.05 × 115,048.20
  4. Step 4: Simplify right side
    210,541.53x = 33,427,030,166.01
  5. Step 5: Solve for x
    x = 33,427,030,166.01/210,541.53
  6. Step 6: Final answer
    x = 158,766.92

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1.5x scale

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.