Home / 155,715.10-214,887.40-94,440.83

Finding the Fourth Proportional to 155,715.10, 214,887.40 and 94,440.83

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Solution

The fourth proportional to 155,715.10, 214,887.40 and 94,440.83 is: 130,328.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,715.10 : 214,887.40 = 94,440.83 : x
  2. Step 2: Convert to fraction form
    155,715.10/214,887.40 = 94,440.83/x
  3. Step 3: Cross multiply
    155,715.10x = 214,887.40 × 94,440.83
  4. Step 4: Simplify right side
    155,715.10x = 20,294,143,102.00
  5. Step 5: Solve for x
    x = 20,294,143,102.00/155,715.10
  6. Step 6: Final answer
    x = 130,328.68

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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.