Home / 122,416.02-168,901.74-74,666.52

Finding the Fourth Proportional to 122,416.02, 168,901.74 and 74,666.52

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Solution

The fourth proportional to 122,416.02, 168,901.74 and 74,666.52 is: 103,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,416.02 : 168,901.74 = 74,666.52 : x
  2. Step 2: Convert to fraction form
    122,416.02/168,901.74 = 74,666.52/x
  3. Step 3: Cross multiply
    122,416.02x = 168,901.74 × 74,666.52
  4. Step 4: Simplify right side
    122,416.02x = 12,611,305,147.74
  5. Step 5: Solve for x
    x = 12,611,305,147.74/122,416.02
  6. Step 6: Final answer
    x = 103,020.06

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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.