Home / 142,275.54-196,323.45-84,904.25

Finding the Fourth Proportional to 142,275.54, 196,323.45 and 84,904.25

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Solution

The fourth proportional to 142,275.54, 196,323.45 and 84,904.25 is: 117,157.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,275.54 : 196,323.45 = 84,904.25 : x
  2. Step 2: Convert to fraction form
    142,275.54/196,323.45 = 84,904.25/x
  3. Step 3: Cross multiply
    142,275.54x = 196,323.45 × 84,904.25
  4. Step 4: Simplify right side
    142,275.54x = 16,668,695,083.97
  5. Step 5: Solve for x
    x = 16,668,695,083.97/142,275.54
  6. Step 6: Final answer
    x = 117,157.84

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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.