Home / 130,256.51-195,078.58-63,487.40

Finding the Fourth Proportional to 130,256.51, 195,078.58 and 63,487.40

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Solution

The fourth proportional to 130,256.51, 195,078.58 and 63,487.40 is: 95,081.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,256.51 : 195,078.58 = 63,487.40 : x
  2. Step 2: Convert to fraction form
    130,256.51/195,078.58 = 63,487.40/x
  3. Step 3: Cross multiply
    130,256.51x = 195,078.58 × 63,487.40
  4. Step 4: Simplify right side
    130,256.51x = 12,385,030,705.78
  5. Step 5: Solve for x
    x = 12,385,030,705.78/130,256.51
  6. Step 6: Final answer
    x = 95,081.86

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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.