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Finding the Fourth Proportional to 210,166.68, 290,036.41 and 119,535.69

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Solution

The fourth proportional to 210,166.68, 290,036.41 and 119,535.69 is: 164,962.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,166.68 : 290,036.41 = 119,535.69 : x
  2. Step 2: Convert to fraction form
    210,166.68/290,036.41 = 119,535.69/x
  3. Step 3: Cross multiply
    210,166.68x = 290,036.41 × 119,535.69
  4. Step 4: Simplify right side
    210,166.68x = 34,669,701,312.05
  5. Step 5: Solve for x
    x = 34,669,701,312.05/210,166.68
  6. Step 6: Final answer
    x = 164,962.89

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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.