Home / 210,290.45-290,166.60-124,237.47

Finding the Fourth Proportional to 210,290.45, 290,166.60 and 124,237.47

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Solution

The fourth proportional to 210,290.45, 290,166.60 and 124,237.47 is: 171,427.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,290.45 : 290,166.60 = 124,237.47 : x
  2. Step 2: Convert to fraction form
    210,290.45/290,166.60 = 124,237.47/x
  3. Step 3: Cross multiply
    210,290.45x = 290,166.60 × 124,237.47
  4. Step 4: Simplify right side
    210,290.45x = 36,049,564,262.50
  5. Step 5: Solve for x
    x = 36,049,564,262.50/210,290.45
  6. Step 6: Final answer
    x = 171,427.50

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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.