Home / 155,715.45-214,887.26-84,095.48

Finding the Fourth Proportional to 155,715.45, 214,887.26 and 84,095.48

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Solution

The fourth proportional to 155,715.45, 214,887.26 and 84,095.48 is: 116,051.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,715.45 : 214,887.26 = 84,095.48 : x
  2. Step 2: Convert to fraction form
    155,715.45/214,887.26 = 84,095.48/x
  3. Step 3: Cross multiply
    155,715.45x = 214,887.26 × 84,095.48
  4. Step 4: Simplify right side
    155,715.45x = 18,071,048,023.04
  5. Step 5: Solve for x
    x = 18,071,048,023.04/155,715.45
  6. Step 6: Final answer
    x = 116,051.74

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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.