Home / 178,006.06-245,638.86-97,418

Finding the Fourth Proportional to 178,006.06, 245,638.86 and 97,418

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Solution

The fourth proportional to 178,006.06, 245,638.86 and 97,418 is: 134,431.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,006.06 : 245,638.86 = 97,418 : x
  2. Step 2: Convert to fraction form
    178,006.06/245,638.86 = 97,418/x
  3. Step 3: Cross multiply
    178,006.06x = 245,638.86 × 97,418
  4. Step 4: Simplify right side
    178,006.06x = 23,929,646,463.48
  5. Step 5: Solve for x
    x = 23,929,646,463.48/178,006.06
  6. Step 6: Final answer
    x = 134,431.64

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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.