Home / 102,957.05-142,007.49-94,486.53

Finding the Fourth Proportional to 102,957.05, 142,007.49 and 94,486.53

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Solution

The fourth proportional to 102,957.05, 142,007.49 and 94,486.53 is: 130,324.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,957.05 : 142,007.49 = 94,486.53 : x
  2. Step 2: Convert to fraction form
    102,957.05/142,007.49 = 94,486.53/x
  3. Step 3: Cross multiply
    102,957.05x = 142,007.49 × 94,486.53
  4. Step 4: Simplify right side
    102,957.05x = 13,417,794,431.32
  5. Step 5: Solve for x
    x = 13,417,794,431.32/102,957.05
  6. Step 6: Final answer
    x = 130,324.19

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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.