Home / 74,018.48-102,148.13-42,182.24

Finding the Fourth Proportional to 74,018.48, 102,148.13 and 42,182.24

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Solution

The fourth proportional to 74,018.48, 102,148.13 and 42,182.24 is: 58,212.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,018.48 : 102,148.13 = 42,182.24 : x
  2. Step 2: Convert to fraction form
    74,018.48/102,148.13 = 42,182.24/x
  3. Step 3: Cross multiply
    74,018.48x = 102,148.13 × 42,182.24
  4. Step 4: Simplify right side
    74,018.48x = 4,308,836,529.93
  5. Step 5: Solve for x
    x = 4,308,836,529.93/74,018.48
  6. Step 6: Final answer
    x = 58,212.99

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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.