Home / 210,816.57-290,926.75-115,323.24

Finding the Fourth Proportional to 210,816.57, 290,926.75 and 115,323.24

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Solution

The fourth proportional to 210,816.57, 290,926.75 and 115,323.24 is: 159,146.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,816.57 : 290,926.75 = 115,323.24 : x
  2. Step 2: Convert to fraction form
    210,816.57/290,926.75 = 115,323.24/x
  3. Step 3: Cross multiply
    210,816.57x = 290,926.75 × 115,323.24
  4. Step 4: Simplify right side
    210,816.57x = 33,550,615,412.67
  5. Step 5: Solve for x
    x = 33,550,615,412.67/210,816.57
  6. Step 6: Final answer
    x = 159,146.01

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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.