Home / 210,200.24-290,085.78-118,351.15

Finding the Fourth Proportional to 210,200.24, 290,085.78 and 118,351.15

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Solution

The fourth proportional to 210,200.24, 290,085.78 and 118,351.15 is: 163,329.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,200.24 : 290,085.78 = 118,351.15 : x
  2. Step 2: Convert to fraction form
    210,200.24/290,085.78 = 118,351.15/x
  3. Step 3: Cross multiply
    210,200.24x = 290,085.78 × 118,351.15
  4. Step 4: Simplify right side
    210,200.24x = 34,331,985,645.49
  5. Step 5: Solve for x
    x = 34,331,985,645.49/210,200.24
  6. Step 6: Final answer
    x = 163,329.91

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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.