Home / 142,127.84-196,145.88-94,298.96

Finding the Fourth Proportional to 142,127.84, 196,145.88 and 94,298.96

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Solution

The fourth proportional to 142,127.84, 196,145.88 and 94,298.96 is: 130,138.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,127.84 : 196,145.88 = 94,298.96 : x
  2. Step 2: Convert to fraction form
    142,127.84/196,145.88 = 94,298.96/x
  3. Step 3: Cross multiply
    142,127.84x = 196,145.88 × 94,298.96
  4. Step 4: Simplify right side
    142,127.84x = 18,496,352,492.28
  5. Step 5: Solve for x
    x = 18,496,352,492.28/142,127.84
  6. Step 6: Final answer
    x = 130,138.84

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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.