Home / 178,148.13-245,844.45-97,578.54

Finding the Fourth Proportional to 178,148.13, 245,844.45 and 97,578.54

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Solution

The fourth proportional to 178,148.13, 245,844.45 and 97,578.54 is: 134,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,148.13 : 245,844.45 = 97,578.54 : x
  2. Step 2: Convert to fraction form
    178,148.13/245,844.45 = 97,578.54/x
  3. Step 3: Cross multiply
    178,148.13x = 245,844.45 × 97,578.54
  4. Step 4: Simplify right side
    178,148.13x = 23,989,141,681.14
  5. Step 5: Solve for x
    x = 23,989,141,681.14/178,148.13
  6. Step 6: Final answer
    x = 134,658.40

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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.