Home / 142,260.32-196,302.50-78,594.32

Finding the Fourth Proportional to 142,260.32, 196,302.50 and 78,594.32

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Solution

The fourth proportional to 142,260.32, 196,302.50 and 78,594.32 is: 108,450.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,260.32 : 196,302.50 = 78,594.32 : x
  2. Step 2: Convert to fraction form
    142,260.32/196,302.50 = 78,594.32/x
  3. Step 3: Cross multiply
    142,260.32x = 196,302.50 × 78,594.32
  4. Step 4: Simplify right side
    142,260.32x = 15,428,261,501.80
  5. Step 5: Solve for x
    x = 15,428,261,501.80/142,260.32
  6. Step 6: Final answer
    x = 108,450.91

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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.