Home / 210,195.75-290,070.14-134,744.25

Finding the Fourth Proportional to 210,195.75, 290,070.14 and 134,744.25

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Solution

The fourth proportional to 210,195.75, 290,070.14 and 134,744.25 is: 185,947.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,195.75 : 290,070.14 = 134,744.25 : x
  2. Step 2: Convert to fraction form
    210,195.75/290,070.14 = 134,744.25/x
  3. Step 3: Cross multiply
    210,195.75x = 290,070.14 × 134,744.25
  4. Step 4: Simplify right side
    210,195.75x = 39,085,283,461.70
  5. Step 5: Solve for x
    x = 39,085,283,461.70/210,195.75
  6. Step 6: Final answer
    x = 185,947.07

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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.