Home / 112,258.36-154,916.22-61,957

Finding the Fourth Proportional to 112,258.36, 154,916.22 and 61,957

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Solution

The fourth proportional to 112,258.36, 154,916.22 and 61,957 is: 85,500.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,258.36 : 154,916.22 = 61,957 : x
  2. Step 2: Convert to fraction form
    112,258.36/154,916.22 = 61,957/x
  3. Step 3: Cross multiply
    112,258.36x = 154,916.22 × 61,957
  4. Step 4: Simplify right side
    112,258.36x = 9,598,144,242.54
  5. Step 5: Solve for x
    x = 9,598,144,242.54/112,258.36
  6. Step 6: Final answer
    x = 85,500.49

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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.