Home / 112,852.63-155,735.49-61,868.17

Finding the Fourth Proportional to 112,852.63, 155,735.49 and 61,868.17

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Solution

The fourth proportional to 112,852.63, 155,735.49 and 61,868.17 is: 85,377.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,852.63 : 155,735.49 = 61,868.17 : x
  2. Step 2: Convert to fraction form
    112,852.63/155,735.49 = 61,868.17/x
  3. Step 3: Cross multiply
    112,852.63x = 155,735.49 × 61,868.17
  4. Step 4: Simplify right side
    112,852.63x = 9,635,069,770.35
  5. Step 5: Solve for x
    x = 9,635,069,770.35/112,852.63
  6. Step 6: Final answer
    x = 85,377.45

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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.