Home / 192,070.15-265,071.50-106,045.72

Finding the Fourth Proportional to 192,070.15, 265,071.50 and 106,045.72

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Solution

The fourth proportional to 192,070.15, 265,071.50 and 106,045.72 is: 146,351.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,070.15 : 265,071.50 = 106,045.72 : x
  2. Step 2: Convert to fraction form
    192,070.15/265,071.50 = 106,045.72/x
  3. Step 3: Cross multiply
    192,070.15x = 265,071.50 × 106,045.72
  4. Step 4: Simplify right side
    192,070.15x = 28,109,698,068.98
  5. Step 5: Solve for x
    x = 28,109,698,068.98/192,070.15
  6. Step 6: Final answer
    x = 146,351.21

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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.