Home / 210,221.18-290,111.58-119,590.14

Finding the Fourth Proportional to 210,221.18, 290,111.58 and 119,590.14

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Solution

The fourth proportional to 210,221.18, 290,111.58 and 119,590.14 is: 165,038.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,221.18 : 290,111.58 = 119,590.14 : x
  2. Step 2: Convert to fraction form
    210,221.18/290,111.58 = 119,590.14/x
  3. Step 3: Cross multiply
    210,221.18x = 290,111.58 × 119,590.14
  4. Step 4: Simplify right side
    210,221.18x = 34,694,484,467.82
  5. Step 5: Solve for x
    x = 34,694,484,467.82/210,221.18
  6. Step 6: Final answer
    x = 165,038.01

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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.