Home / 210,588.13-290,607.30-115,095.51

Finding the Fourth Proportional to 210,588.13, 290,607.30 and 115,095.51

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Solution

The fourth proportional to 210,588.13, 290,607.30 and 115,095.51 is: 158,829.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,588.13 : 290,607.30 = 115,095.51 : x
  2. Step 2: Convert to fraction form
    210,588.13/290,607.30 = 115,095.51/x
  3. Step 3: Cross multiply
    210,588.13x = 290,607.30 × 115,095.51
  4. Step 4: Simplify right side
    210,588.13x = 33,447,595,403.22
  5. Step 5: Solve for x
    x = 33,447,595,403.22/210,588.13
  6. Step 6: Final answer
    x = 158,829.44

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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.