Home / 210,267.90-290,159.57-119,615.33

Finding the Fourth Proportional to 210,267.90, 290,159.57 and 119,615.33

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Solution

The fourth proportional to 210,267.90, 290,159.57 and 119,615.33 is: 165,063.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,267.90 : 290,159.57 = 119,615.33 : x
  2. Step 2: Convert to fraction form
    210,267.90/290,159.57 = 119,615.33/x
  3. Step 3: Cross multiply
    210,267.90x = 290,159.57 × 119,615.33
  4. Step 4: Simplify right side
    210,267.90x = 34,707,533,069.81
  5. Step 5: Solve for x
    x = 34,707,533,069.81/210,267.90
  6. Step 6: Final answer
    x = 165,063.39

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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.