Home / 122,580.02-169,174.15-74,208.61

Finding the Fourth Proportional to 122,580.02, 169,174.15 and 74,208.61

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Solution

The fourth proportional to 122,580.02, 169,174.15 and 74,208.61 is: 102,416.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,580.02 : 169,174.15 = 74,208.61 : x
  2. Step 2: Convert to fraction form
    122,580.02/169,174.15 = 74,208.61/x
  3. Step 3: Cross multiply
    122,580.02x = 169,174.15 × 74,208.61
  4. Step 4: Simplify right side
    122,580.02x = 12,554,178,925.22
  5. Step 5: Solve for x
    x = 12,554,178,925.22/122,580.02
  6. Step 6: Final answer
    x = 102,416.19

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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.