Home / 112,280.70-154,941.92-63,878.07

Finding the Fourth Proportional to 112,280.70, 154,941.92 and 63,878.07

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Solution

The fourth proportional to 112,280.70, 154,941.92 and 63,878.07 is: 88,148.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,280.70 : 154,941.92 = 63,878.07 : x
  2. Step 2: Convert to fraction form
    112,280.70/154,941.92 = 63,878.07/x
  3. Step 3: Cross multiply
    112,280.70x = 154,941.92 × 63,878.07
  4. Step 4: Simplify right side
    112,280.70x = 9,897,390,584.03
  5. Step 5: Solve for x
    x = 9,897,390,584.03/112,280.70
  6. Step 6: Final answer
    x = 88,148.64

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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.