Home / 257,076.54-385,610.67-70,088.04

Finding the Fourth Proportional to 257,076.54, 385,610.67 and 70,088.04

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Solution

The fourth proportional to 257,076.54, 385,610.67 and 70,088.04 is: 105,130.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,076.54 : 385,610.67 = 70,088.04 : x
  2. Step 2: Convert to fraction form
    257,076.54/385,610.67 = 70,088.04/x
  3. Step 3: Cross multiply
    257,076.54x = 385,610.67 × 70,088.04
  4. Step 4: Simplify right side
    257,076.54x = 27,026,696,063.39
  5. Step 5: Solve for x
    x = 27,026,696,063.39/257,076.54
  6. Step 6: Final answer
    x = 105,130.93

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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.