Home / 112,211-154,854.54-61,913.24

Finding the Fourth Proportional to 112,211, 154,854.54 and 61,913.24

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Solution

The fourth proportional to 112,211, 154,854.54 and 61,913.24 is: 85,442.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,211 : 154,854.54 = 61,913.24 : x
  2. Step 2: Convert to fraction form
    112,211/154,854.54 = 61,913.24/x
  3. Step 3: Cross multiply
    112,211x = 154,854.54 × 61,913.24
  4. Step 4: Simplify right side
    112,211x = 9,587,546,300.11
  5. Step 5: Solve for x
    x = 9,587,546,300.11/112,211
  6. Step 6: Final answer
    x = 85,442.13

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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.