Home / 74,015.37-102,150.95-42,176.97

Finding the Fourth Proportional to 74,015.37, 102,150.95 and 42,176.97

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Solution

The fourth proportional to 74,015.37, 102,150.95 and 42,176.97 is: 58,209.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,015.37 : 102,150.95 = 42,176.97 : x
  2. Step 2: Convert to fraction form
    74,015.37/102,150.95 = 42,176.97/x
  3. Step 3: Cross multiply
    74,015.37x = 102,150.95 × 42,176.97
  4. Step 4: Simplify right side
    74,015.37x = 4,308,417,342.74
  5. Step 5: Solve for x
    x = 4,308,417,342.74/74,015.37
  6. Step 6: Final answer
    x = 58,209.77

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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.