Home / 130,717.32-195,980.40-41,920.28

Finding the Fourth Proportional to 130,717.32, 195,980.40 and 41,920.28

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Solution

The fourth proportional to 130,717.32, 195,980.40 and 41,920.28 is: 62,849.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,717.32 : 195,980.40 = 41,920.28 : x
  2. Step 2: Convert to fraction form
    130,717.32/195,980.40 = 41,920.28/x
  3. Step 3: Cross multiply
    130,717.32x = 195,980.40 × 41,920.28
  4. Step 4: Simplify right side
    130,717.32x = 8,215,553,242.51
  5. Step 5: Solve for x
    x = 8,215,553,242.51/130,717.32
  6. Step 6: Final answer
    x = 62,849.77

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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.