Home / 210,200.12-290,084.88-119,572.06

Finding the Fourth Proportional to 210,200.12, 290,084.88 and 119,572.06

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Solution

The fourth proportional to 210,200.12, 290,084.88 and 119,572.06 is: 165,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,200.12 : 290,084.88 = 119,572.06 : x
  2. Step 2: Convert to fraction form
    210,200.12/290,084.88 = 119,572.06/x
  3. Step 3: Cross multiply
    210,200.12x = 290,084.88 × 119,572.06
  4. Step 4: Simplify right side
    210,200.12x = 34,686,046,676.45
  5. Step 5: Solve for x
    x = 34,686,046,676.45/210,200.12
  6. Step 6: Final answer
    x = 165,014.40

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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.