Home / 90,392.93-135,590.81-34,217.95

Finding the Fourth Proportional to 90,392.93, 135,590.81 and 34,217.95

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Solution

The fourth proportional to 90,392.93, 135,590.81 and 34,217.95 is: 51,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,392.93 : 135,590.81 = 34,217.95 : x
  2. Step 2: Convert to fraction form
    90,392.93/135,590.81 = 34,217.95/x
  3. Step 3: Cross multiply
    90,392.93x = 135,590.81 × 34,217.95
  4. Step 4: Simplify right side
    90,392.93x = 4,639,638,708.00
  5. Step 5: Solve for x
    x = 4,639,638,708.00/90,392.93
  6. Step 6: Final answer
    x = 51,327.45

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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.