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Finding the Fourth Proportional to 191,957.04, 264,879.72 and 135,270

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Solution

The fourth proportional to 191,957.04, 264,879.72 and 135,270 is: 186,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,957.04 : 264,879.72 = 135,270 : x
  2. Step 2: Convert to fraction form
    191,957.04/264,879.72 = 135,270/x
  3. Step 3: Cross multiply
    191,957.04x = 264,879.72 × 135,270
  4. Step 4: Simplify right side
    191,957.04x = 35,830,279,724.40
  5. Step 5: Solve for x
    x = 35,830,279,724.40/191,957.04
  6. Step 6: Final answer
    x = 186,657.80

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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.