Home / 197,237.50-272,187.75-107,813.50

Finding the Fourth Proportional to 197,237.50, 272,187.75 and 107,813.50

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Solution

The fourth proportional to 197,237.50, 272,187.75 and 107,813.50 is: 148,782.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,237.50 : 272,187.75 = 107,813.50 : x
  2. Step 2: Convert to fraction form
    197,237.50/272,187.75 = 107,813.50/x
  3. Step 3: Cross multiply
    197,237.50x = 272,187.75 × 107,813.50
  4. Step 4: Simplify right side
    197,237.50x = 29,345,513,984.63
  5. Step 5: Solve for x
    x = 29,345,513,984.63/197,237.50
  6. Step 6: Final answer
    x = 148,782.63

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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.