Home / 155,715.62-214,887.53-84,095.64

Finding the Fourth Proportional to 155,715.62, 214,887.53 and 84,095.64

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Solution

The fourth proportional to 155,715.62, 214,887.53 and 84,095.64 is: 116,051.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,715.62 : 214,887.53 = 84,095.64 : x
  2. Step 2: Convert to fraction form
    155,715.62/214,887.53 = 84,095.64/x
  3. Step 3: Cross multiply
    155,715.62x = 214,887.53 × 84,095.64
  4. Step 4: Simplify right side
    155,715.62x = 18,071,104,573.61
  5. Step 5: Solve for x
    x = 18,071,104,573.61/155,715.62
  6. Step 6: Final answer
    x = 116,051.97

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1.5x scale

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.