Home / 130,811.60-195,925.80-101,068.40

Finding the Fourth Proportional to 130,811.60, 195,925.80 and 101,068.40

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Solution

The fourth proportional to 130,811.60, 195,925.80 and 101,068.40 is: 151,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,811.60 : 195,925.80 = 101,068.40 : x
  2. Step 2: Convert to fraction form
    130,811.60/195,925.80 = 101,068.40/x
  3. Step 3: Cross multiply
    130,811.60x = 195,925.80 × 101,068.40
  4. Step 4: Simplify right side
    130,811.60x = 19,801,907,124.72
  5. Step 5: Solve for x
    x = 19,801,907,124.72/130,811.60
  6. Step 6: Final answer
    x = 151,377.30

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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.