Home / 90,333.21-135,460.59-48,203.91

Finding the Fourth Proportional to 90,333.21, 135,460.59 and 48,203.91

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Solution

The fourth proportional to 90,333.21, 135,460.59 and 48,203.91 is: 72,284.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,333.21 : 135,460.59 = 48,203.91 : x
  2. Step 2: Convert to fraction form
    90,333.21/135,460.59 = 48,203.91/x
  3. Step 3: Cross multiply
    90,333.21x = 135,460.59 × 48,203.91
  4. Step 4: Simplify right side
    90,333.21x = 6,529,730,088.91
  5. Step 5: Solve for x
    x = 6,529,730,088.91/90,333.21
  6. Step 6: Final answer
    x = 72,284.93

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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.