Home / 210,199.13-290,083.51-119,571.06

Finding the Fourth Proportional to 210,199.13, 290,083.51 and 119,571.06

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Solution

The fourth proportional to 210,199.13, 290,083.51 and 119,571.06 is: 165,013.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,199.13 : 290,083.51 = 119,571.06 : x
  2. Step 2: Convert to fraction form
    210,199.13/290,083.51 = 119,571.06/x
  3. Step 3: Cross multiply
    210,199.13x = 290,083.51 × 119,571.06
  4. Step 4: Simplify right side
    210,199.13x = 34,685,592,779.22
  5. Step 5: Solve for x
    x = 34,685,592,779.22/210,199.13
  6. Step 6: Final answer
    x = 165,013.02

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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.