Home / 156,975.93-216,622.19-88,999.17

Finding the Fourth Proportional to 156,975.93, 216,622.19 and 88,999.17

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Solution

The fourth proportional to 156,975.93, 216,622.19 and 88,999.17 is: 122,816.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,975.93 : 216,622.19 = 88,999.17 : x
  2. Step 2: Convert to fraction form
    156,975.93/216,622.19 = 88,999.17/x
  3. Step 3: Cross multiply
    156,975.93x = 216,622.19 × 88,999.17
  4. Step 4: Simplify right side
    156,975.93x = 19,279,194,668.59
  5. Step 5: Solve for x
    x = 19,279,194,668.59/156,975.93
  6. Step 6: Final answer
    x = 122,816.25

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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.