Home / 90,334.88-135,502.40-37,715.68

Finding the Fourth Proportional to 90,334.88, 135,502.40 and 37,715.68

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Solution

The fourth proportional to 90,334.88, 135,502.40 and 37,715.68 is: 56,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,334.88 : 135,502.40 = 37,715.68 : x
  2. Step 2: Convert to fraction form
    90,334.88/135,502.40 = 37,715.68/x
  3. Step 3: Cross multiply
    90,334.88x = 135,502.40 × 37,715.68
  4. Step 4: Simplify right side
    90,334.88x = 5,110,565,157.63
  5. Step 5: Solve for x
    x = 5,110,565,157.63/90,334.88
  6. Step 6: Final answer
    x = 56,573.55

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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.