Home / 145,946.34-218,915.46-40,762.44

Finding the Fourth Proportional to 145,946.34, 218,915.46 and 40,762.44

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Solution

The fourth proportional to 145,946.34, 218,915.46 and 40,762.44 is: 61,142.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,946.34 : 218,915.46 = 40,762.44 : x
  2. Step 2: Convert to fraction form
    145,946.34/218,915.46 = 40,762.44/x
  3. Step 3: Cross multiply
    145,946.34x = 218,915.46 × 40,762.44
  4. Step 4: Simplify right side
    145,946.34x = 8,923,528,303.32
  5. Step 5: Solve for x
    x = 8,923,528,303.32/145,946.34
  6. Step 6: Final answer
    x = 61,142.53

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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.