Home / 135,029.08-186,337.48-74,600.36

Finding the Fourth Proportional to 135,029.08, 186,337.48 and 74,600.36

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Solution

The fourth proportional to 135,029.08, 186,337.48 and 74,600.36 is: 102,947.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,029.08 : 186,337.48 = 74,600.36 : x
  2. Step 2: Convert to fraction form
    135,029.08/186,337.48 = 74,600.36/x
  3. Step 3: Cross multiply
    135,029.08x = 186,337.48 × 74,600.36
  4. Step 4: Simplify right side
    135,029.08x = 13,900,843,089.49
  5. Step 5: Solve for x
    x = 13,900,843,089.49/135,029.08
  6. Step 6: Final answer
    x = 102,947.03

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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.