Home / 210,208.30-290,093.86-119,577.40

Finding the Fourth Proportional to 210,208.30, 290,093.86 and 119,577.40

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Solution

The fourth proportional to 210,208.30, 290,093.86 and 119,577.40 is: 165,020.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,208.30 : 290,093.86 = 119,577.40 : x
  2. Step 2: Convert to fraction form
    210,208.30/290,093.86 = 119,577.40/x
  3. Step 3: Cross multiply
    210,208.30x = 290,093.86 × 119,577.40
  4. Step 4: Simplify right side
    210,208.30x = 34,688,669,534.76
  5. Step 5: Solve for x
    x = 34,688,669,534.76/210,208.30
  6. Step 6: Final answer
    x = 165,020.46

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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.