Home / 136,693.37-188,636.28-76,264.07

Finding the Fourth Proportional to 136,693.37, 188,636.28 and 76,264.07

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Solution

The fourth proportional to 136,693.37, 188,636.28 and 76,264.07 is: 105,244.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,693.37 : 188,636.28 = 76,264.07 : x
  2. Step 2: Convert to fraction form
    136,693.37/188,636.28 = 76,264.07/x
  3. Step 3: Cross multiply
    136,693.37x = 188,636.28 × 76,264.07
  4. Step 4: Simplify right side
    136,693.37x = 14,386,169,233.29
  5. Step 5: Solve for x
    x = 14,386,169,233.29/136,693.37
  6. Step 6: Final answer
    x = 105,244.09

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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.