Home / 102,913.40-142,027.08-57,596.60

Finding the Fourth Proportional to 102,913.40, 142,027.08 and 57,596.60

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Solution

The fourth proportional to 102,913.40, 142,027.08 and 57,596.60 is: 79,487.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,913.40 : 142,027.08 = 57,596.60 : x
  2. Step 2: Convert to fraction form
    102,913.40/142,027.08 = 57,596.60/x
  3. Step 3: Cross multiply
    102,913.40x = 142,027.08 × 57,596.60
  4. Step 4: Simplify right side
    102,913.40x = 8,180,276,915.93
  5. Step 5: Solve for x
    x = 8,180,276,915.93/102,913.40
  6. Step 6: Final answer
    x = 79,487.00

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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.