Home / 90,302.06-135,465.79-37,699.58

Finding the Fourth Proportional to 90,302.06, 135,465.79 and 37,699.58

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Solution

The fourth proportional to 90,302.06, 135,465.79 and 37,699.58 is: 56,554.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,302.06 : 135,465.79 = 37,699.58 : x
  2. Step 2: Convert to fraction form
    90,302.06/135,465.79 = 37,699.58/x
  3. Step 3: Cross multiply
    90,302.06x = 135,465.79 × 37,699.58
  4. Step 4: Simplify right side
    90,302.06x = 5,107,003,387.37
  5. Step 5: Solve for x
    x = 5,107,003,387.37/90,302.06
  6. Step 6: Final answer
    x = 56,554.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.