Home / 74,036.68-102,169.74-42,205.48

Finding the Fourth Proportional to 74,036.68, 102,169.74 and 42,205.48

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Solution

The fourth proportional to 74,036.68, 102,169.74 and 42,205.48 is: 58,243.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,036.68 : 102,169.74 = 42,205.48 : x
  2. Step 2: Convert to fraction form
    74,036.68/102,169.74 = 42,205.48/x
  3. Step 3: Cross multiply
    74,036.68x = 102,169.74 × 42,205.48
  4. Step 4: Simplify right side
    74,036.68x = 4,312,122,918.18
  5. Step 5: Solve for x
    x = 4,312,122,918.18/74,036.68
  6. Step 6: Final answer
    x = 58,243.06

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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.