Home / 210,206.05-290,090.76-119,575.15

Finding the Fourth Proportional to 210,206.05, 290,090.76 and 119,575.15

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Solution

The fourth proportional to 210,206.05, 290,090.76 and 119,575.15 is: 165,017.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,206.05 : 290,090.76 = 119,575.15 : x
  2. Step 2: Convert to fraction form
    210,206.05/290,090.76 = 119,575.15/x
  3. Step 3: Cross multiply
    210,206.05x = 290,090.76 × 119,575.15
  4. Step 4: Simplify right side
    210,206.05x = 34,687,646,140.61
  5. Step 5: Solve for x
    x = 34,687,646,140.61/210,206.05
  6. Step 6: Final answer
    x = 165,017.35

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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.