Home / 110,356-152,280.75-61,946.85

Finding the Fourth Proportional to 110,356, 152,280.75 and 61,946.85

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Solution

The fourth proportional to 110,356, 152,280.75 and 61,946.85 is: 85,480.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,356 : 152,280.75 = 61,946.85 : x
  2. Step 2: Convert to fraction form
    110,356/152,280.75 = 61,946.85/x
  3. Step 3: Cross multiply
    110,356x = 152,280.75 × 61,946.85
  4. Step 4: Simplify right side
    110,356x = 9,433,312,016.73
  5. Step 5: Solve for x
    x = 9,433,312,016.73/110,356
  6. Step 6: Final answer
    x = 85,480.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.