Home / 197,686.36-272,807.70-107,042.50

Finding the Fourth Proportional to 197,686.36, 272,807.70 and 107,042.50

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Solution

The fourth proportional to 197,686.36, 272,807.70 and 107,042.50 is: 147,718.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,686.36 : 272,807.70 = 107,042.50 : x
  2. Step 2: Convert to fraction form
    197,686.36/272,807.70 = 107,042.50/x
  3. Step 3: Cross multiply
    197,686.36x = 272,807.70 × 107,042.50
  4. Step 4: Simplify right side
    197,686.36x = 29,202,018,227.25
  5. Step 5: Solve for x
    x = 29,202,018,227.25/197,686.36
  6. Step 6: Final answer
    x = 147,718.93

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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.