Home / 142,129.84-196,148.64-94,300.96

Finding the Fourth Proportional to 142,129.84, 196,148.64 and 94,300.96

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Solution

The fourth proportional to 142,129.84, 196,148.64 and 94,300.96 is: 130,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,129.84 : 196,148.64 = 94,300.96 : x
  2. Step 2: Convert to fraction form
    142,129.84/196,148.64 = 94,300.96/x
  3. Step 3: Cross multiply
    142,129.84x = 196,148.64 × 94,300.96
  4. Step 4: Simplify right side
    142,129.84x = 18,497,005,054.69
  5. Step 5: Solve for x
    x = 18,497,005,054.69/142,129.84
  6. Step 6: Final answer
    x = 130,141.60

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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.