Home / 103,283.53-142,498.78-57,954.85

Finding the Fourth Proportional to 103,283.53, 142,498.78 and 57,954.85

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Solution

The fourth proportional to 103,283.53, 142,498.78 and 57,954.85 is: 79,959.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,283.53 : 142,498.78 = 57,954.85 : x
  2. Step 2: Convert to fraction form
    103,283.53/142,498.78 = 57,954.85/x
  3. Step 3: Cross multiply
    103,283.53x = 142,498.78 × 57,954.85
  4. Step 4: Simplify right side
    103,283.53x = 8,258,495,420.08
  5. Step 5: Solve for x
    x = 8,258,495,420.08/103,283.53
  6. Step 6: Final answer
    x = 79,959.46

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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.