Home / 102,257.60-153,386.40-32,136.80

Finding the Fourth Proportional to 102,257.60, 153,386.40 and 32,136.80

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Solution

The fourth proportional to 102,257.60, 153,386.40 and 32,136.80 is: 48,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,257.60 : 153,386.40 = 32,136.80 : x
  2. Step 2: Convert to fraction form
    102,257.60/153,386.40 = 32,136.80/x
  3. Step 3: Cross multiply
    102,257.60x = 153,386.40 × 32,136.80
  4. Step 4: Simplify right side
    102,257.60x = 4,929,348,059.52
  5. Step 5: Solve for x
    x = 4,929,348,059.52/102,257.60
  6. Step 6: Final answer
    x = 48,205.20

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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.