Home / 197,406.40-272,420.04-106,762.46

Finding the Fourth Proportional to 197,406.40, 272,420.04 and 106,762.46

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Solution

The fourth proportional to 197,406.40, 272,420.04 and 106,762.46 is: 147,331.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,406.40 : 272,420.04 = 106,762.46 : x
  2. Step 2: Convert to fraction form
    197,406.40/272,420.04 = 106,762.46/x
  3. Step 3: Cross multiply
    197,406.40x = 272,420.04 × 106,762.46
  4. Step 4: Simplify right side
    197,406.40x = 29,084,233,623.70
  5. Step 5: Solve for x
    x = 29,084,233,623.70/197,406.40
  6. Step 6: Final answer
    x = 147,331.77

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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.