Home / 112,913.48-155,822.74-61,922.98

Finding the Fourth Proportional to 112,913.48, 155,822.74 and 61,922.98

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Solution

The fourth proportional to 112,913.48, 155,822.74 and 61,922.98 is: 85,454.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,913.48 : 155,822.74 = 61,922.98 : x
  2. Step 2: Convert to fraction form
    112,913.48/155,822.74 = 61,922.98/x
  3. Step 3: Cross multiply
    112,913.48x = 155,822.74 × 61,922.98
  4. Step 4: Simplify right side
    112,913.48x = 9,649,008,412.57
  5. Step 5: Solve for x
    x = 9,649,008,412.57/112,913.48
  6. Step 6: Final answer
    x = 85,454.88

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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.