Home / 168,903.90-253,355.85-155,125.80

Finding the Fourth Proportional to 168,903.90, 253,355.85 and 155,125.80

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Solution

The fourth proportional to 168,903.90, 253,355.85 and 155,125.80 is: 232,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,903.90 : 253,355.85 = 155,125.80 : x
  2. Step 2: Convert to fraction form
    168,903.90/253,355.85 = 155,125.80/x
  3. Step 3: Cross multiply
    168,903.90x = 253,355.85 × 155,125.80
  4. Step 4: Simplify right side
    168,903.90x = 39,302,028,915.93
  5. Step 5: Solve for x
    x = 39,302,028,915.93/168,903.90
  6. Step 6: Final answer
    x = 232,688.70

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1.5x scale

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.