Home / 90,282.50-135,307.85-34,055.64

Finding the Fourth Proportional to 90,282.50, 135,307.85 and 34,055.64

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Solution

The fourth proportional to 90,282.50, 135,307.85 and 34,055.64 is: 51,039.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,282.50 : 135,307.85 = 34,055.64 : x
  2. Step 2: Convert to fraction form
    90,282.50/135,307.85 = 34,055.64/x
  3. Step 3: Cross multiply
    90,282.50x = 135,307.85 × 34,055.64
  4. Step 4: Simplify right side
    90,282.50x = 4,607,995,258.50
  5. Step 5: Solve for x
    x = 4,607,995,258.50/90,282.50
  6. Step 6: Final answer
    x = 51,039.74

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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.