Home / 112,021.21-154,591.05-61,036.35

Finding the Fourth Proportional to 112,021.21, 154,591.05 and 61,036.35

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Solution

The fourth proportional to 112,021.21, 154,591.05 and 61,036.35 is: 84,231.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,021.21 : 154,591.05 = 61,036.35 : x
  2. Step 2: Convert to fraction form
    112,021.21/154,591.05 = 61,036.35/x
  3. Step 3: Cross multiply
    112,021.21x = 154,591.05 × 61,036.35
  4. Step 4: Simplify right side
    112,021.21x = 9,435,673,434.67
  5. Step 5: Solve for x
    x = 9,435,673,434.67/112,021.21
  6. Step 6: Final answer
    x = 84,231.13

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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.