Home / 90,205.63-135,235.53-37,654.45

Finding the Fourth Proportional to 90,205.63, 135,235.53 and 37,654.45

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Solution

The fourth proportional to 90,205.63, 135,235.53 and 37,654.45 is: 56,451.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,205.63 : 135,235.53 = 37,654.45 : x
  2. Step 2: Convert to fraction form
    90,205.63/135,235.53 = 37,654.45/x
  3. Step 3: Cross multiply
    90,205.63x = 135,235.53 × 37,654.45
  4. Step 4: Simplify right side
    90,205.63x = 5,092,219,502.61
  5. Step 5: Solve for x
    x = 5,092,219,502.61/90,205.63
  6. Step 6: Final answer
    x = 56,451.24

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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.