Home / 169,612.16-254,423.64-85,326.26

Finding the Fourth Proportional to 169,612.16, 254,423.64 and 85,326.26

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Solution

The fourth proportional to 169,612.16, 254,423.64 and 85,326.26 is: 127,992.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,612.16 : 254,423.64 = 85,326.26 : x
  2. Step 2: Convert to fraction form
    169,612.16/254,423.64 = 85,326.26/x
  3. Step 3: Cross multiply
    169,612.16x = 254,423.64 × 85,326.26
  4. Step 4: Simplify right side
    169,612.16x = 21,709,017,656.79
  5. Step 5: Solve for x
    x = 21,709,017,656.79/169,612.16
  6. Step 6: Final answer
    x = 127,992.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.