Home / 126,916.64-175,146-70,328.96

Finding the Fourth Proportional to 126,916.64, 175,146 and 70,328.96

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Solution

The fourth proportional to 126,916.64, 175,146 and 70,328.96 is: 97,054.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,916.64 : 175,146 = 70,328.96 : x
  2. Step 2: Convert to fraction form
    126,916.64/175,146 = 70,328.96/x
  3. Step 3: Cross multiply
    126,916.64x = 175,146 × 70,328.96
  4. Step 4: Simplify right side
    126,916.64x = 12,317,836,028.16
  5. Step 5: Solve for x
    x = 12,317,836,028.16/126,916.64
  6. Step 6: Final answer
    x = 97,054.54

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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.