Home / 125,032.78-187,549.23-54,912.70

Finding the Fourth Proportional to 125,032.78, 187,549.23 and 54,912.70

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Solution

The fourth proportional to 125,032.78, 187,549.23 and 54,912.70 is: 82,369.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,032.78 : 187,549.23 = 54,912.70 : x
  2. Step 2: Convert to fraction form
    125,032.78/187,549.23 = 54,912.70/x
  3. Step 3: Cross multiply
    125,032.78x = 187,549.23 × 54,912.70
  4. Step 4: Simplify right side
    125,032.78x = 10,298,834,602.22
  5. Step 5: Solve for x
    x = 10,298,834,602.22/125,032.78
  6. Step 6: Final answer
    x = 82,369.08

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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.