Home / 136,618.40-204,927.60-77,569.40

Finding the Fourth Proportional to 136,618.40, 204,927.60 and 77,569.40

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Solution

The fourth proportional to 136,618.40, 204,927.60 and 77,569.40 is: 116,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,618.40 : 204,927.60 = 77,569.40 : x
  2. Step 2: Convert to fraction form
    136,618.40/204,927.60 = 77,569.40/x
  3. Step 3: Cross multiply
    136,618.40x = 204,927.60 × 77,569.40
  4. Step 4: Simplify right side
    136,618.40x = 15,896,110,975.44
  5. Step 5: Solve for x
    x = 15,896,110,975.44/136,618.40
  6. Step 6: Final answer
    x = 116,354.10

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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.