Home / 210,260.85-290,155.35-114,769.14

Finding the Fourth Proportional to 210,260.85, 290,155.35 and 114,769.14

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Solution

The fourth proportional to 210,260.85, 290,155.35 and 114,769.14 is: 158,378.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,260.85 : 290,155.35 = 114,769.14 : x
  2. Step 2: Convert to fraction form
    210,260.85/290,155.35 = 114,769.14/x
  3. Step 3: Cross multiply
    210,260.85x = 290,155.35 × 114,769.14
  4. Step 4: Simplify right side
    210,260.85x = 33,300,879,985.90
  5. Step 5: Solve for x
    x = 33,300,879,985.90/210,260.85
  6. Step 6: Final answer
    x = 158,378.89

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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.