Home / 140,888.90-194,423.60-77,225.32

Finding the Fourth Proportional to 140,888.90, 194,423.60 and 77,225.32

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Solution

The fourth proportional to 140,888.90, 194,423.60 and 77,225.32 is: 106,569.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,888.90 : 194,423.60 = 77,225.32 : x
  2. Step 2: Convert to fraction form
    140,888.90/194,423.60 = 77,225.32/x
  3. Step 3: Cross multiply
    140,888.90x = 194,423.60 × 77,225.32
  4. Step 4: Simplify right side
    140,888.90x = 15,014,424,725.55
  5. Step 5: Solve for x
    x = 15,014,424,725.55/140,888.90
  6. Step 6: Final answer
    x = 106,569.25

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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.