Home / 130,781.84-196,126.64-42,005.36

Finding the Fourth Proportional to 130,781.84, 196,126.64 and 42,005.36

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Solution

The fourth proportional to 130,781.84, 196,126.64 and 42,005.36 is: 62,993.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,781.84 : 196,126.64 = 42,005.36 : x
  2. Step 2: Convert to fraction form
    130,781.84/196,126.64 = 42,005.36/x
  3. Step 3: Cross multiply
    130,781.84x = 196,126.64 × 42,005.36
  4. Step 4: Simplify right side
    130,781.84x = 8,238,370,118.79
  5. Step 5: Solve for x
    x = 8,238,370,118.79/130,781.84
  6. Step 6: Final answer
    x = 62,993.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.