Home / 210,533.85-290,533.23-115,038.36

Finding the Fourth Proportional to 210,533.85, 290,533.23 and 115,038.36

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Solution

The fourth proportional to 210,533.85, 290,533.23 and 115,038.36 is: 158,751.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,533.85 : 290,533.23 = 115,038.36 : x
  2. Step 2: Convert to fraction form
    210,533.85/290,533.23 = 115,038.36/x
  3. Step 3: Cross multiply
    210,533.85x = 290,533.23 × 115,038.36
  4. Step 4: Simplify right side
    210,533.85x = 33,422,466,304.70
  5. Step 5: Solve for x
    x = 33,422,466,304.70/210,533.85
  6. Step 6: Final answer
    x = 158,751.03

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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.