Home / 152,171.31-228,070.01-85,471.23

Finding the Fourth Proportional to 152,171.31, 228,070.01 and 85,471.23

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Solution

The fourth proportional to 152,171.31, 228,070.01 and 85,471.23 is: 128,101.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,171.31 : 228,070.01 = 85,471.23 : x
  2. Step 2: Convert to fraction form
    152,171.31/228,070.01 = 85,471.23/x
  3. Step 3: Cross multiply
    152,171.31x = 228,070.01 × 85,471.23
  4. Step 4: Simplify right side
    152,171.31x = 19,493,424,280.81
  5. Step 5: Solve for x
    x = 19,493,424,280.81/152,171.31
  6. Step 6: Final answer
    x = 128,101.84

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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.