Home / 112,018.54-154,584.73-61,031.12

Finding the Fourth Proportional to 112,018.54, 154,584.73 and 61,031.12

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Solution

The fourth proportional to 112,018.54, 154,584.73 and 61,031.12 is: 84,222.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,018.54 : 154,584.73 = 61,031.12 : x
  2. Step 2: Convert to fraction form
    112,018.54/154,584.73 = 61,031.12/x
  3. Step 3: Cross multiply
    112,018.54x = 154,584.73 × 61,031.12
  4. Step 4: Simplify right side
    112,018.54x = 9,434,478,281.30
  5. Step 5: Solve for x
    x = 9,434,478,281.30/112,018.54
  6. Step 6: Final answer
    x = 84,222.47

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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.