Home / 112,293.60-155,015.82-74,075.88

Finding the Fourth Proportional to 112,293.60, 155,015.82 and 74,075.88

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Solution

The fourth proportional to 112,293.60, 155,015.82 and 74,075.88 is: 102,258.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,293.60 : 155,015.82 = 74,075.88 : x
  2. Step 2: Convert to fraction form
    112,293.60/155,015.82 = 74,075.88/x
  3. Step 3: Cross multiply
    112,293.60x = 155,015.82 × 74,075.88
  4. Step 4: Simplify right side
    112,293.60x = 11,482,933,280.42
  5. Step 5: Solve for x
    x = 11,482,933,280.42/112,293.60
  6. Step 6: Final answer
    x = 102,258.13

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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.