Home / 102,100.02-153,050.04-57,143.33

Finding the Fourth Proportional to 102,100.02, 153,050.04 and 57,143.33

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Solution

The fourth proportional to 102,100.02, 153,050.04 and 57,143.33 is: 85,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,100.02 : 153,050.04 = 57,143.33 : x
  2. Step 2: Convert to fraction form
    102,100.02/153,050.04 = 57,143.33/x
  3. Step 3: Cross multiply
    102,100.02x = 153,050.04 × 57,143.33
  4. Step 4: Simplify right side
    102,100.02x = 8,745,788,750.92
  5. Step 5: Solve for x
    x = 8,745,788,750.92/102,100.02
  6. Step 6: Final answer
    x = 85,659.03

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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.