Home / 224,129.76-309,295.02-122,156.16

Finding the Fourth Proportional to 224,129.76, 309,295.02 and 122,156.16

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Solution

The fourth proportional to 224,129.76, 309,295.02 and 122,156.16 is: 168,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,129.76 : 309,295.02 = 122,156.16 : x
  2. Step 2: Convert to fraction form
    224,129.76/309,295.02 = 122,156.16/x
  3. Step 3: Cross multiply
    224,129.76x = 309,295.02 × 122,156.16
  4. Step 4: Simplify right side
    224,129.76x = 37,782,291,950.32
  5. Step 5: Solve for x
    x = 37,782,291,950.32/224,129.76
  6. Step 6: Final answer
    x = 168,573.29

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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.