Home / 210,534.60-290,534.27-115,039.25

Finding the Fourth Proportional to 210,534.60, 290,534.27 and 115,039.25

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Solution

The fourth proportional to 210,534.60, 290,534.27 and 115,039.25 is: 158,752.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,534.60 : 290,534.27 = 115,039.25 : x
  2. Step 2: Convert to fraction form
    210,534.60/290,534.27 = 115,039.25/x
  3. Step 3: Cross multiply
    210,534.60x = 290,534.27 × 115,039.25
  4. Step 4: Simplify right side
    210,534.60x = 33,422,842,492.23
  5. Step 5: Solve for x
    x = 33,422,842,492.23/210,534.60
  6. Step 6: Final answer
    x = 158,752.25

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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.