Home / 103,950.90-155,660.67-57,152.34

Finding the Fourth Proportional to 103,950.90, 155,660.67 and 57,152.34

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Solution

The fourth proportional to 103,950.90, 155,660.67 and 57,152.34 is: 85,582.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,950.90 : 155,660.67 = 57,152.34 : x
  2. Step 2: Convert to fraction form
    103,950.90/155,660.67 = 57,152.34/x
  3. Step 3: Cross multiply
    103,950.90x = 155,660.67 × 57,152.34
  4. Step 4: Simplify right side
    103,950.90x = 8,896,371,536.47
  5. Step 5: Solve for x
    x = 8,896,371,536.47/103,950.90
  6. Step 6: Final answer
    x = 85,582.44

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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.