Home / 148,369.48-204,737.75-87,109.21

Finding the Fourth Proportional to 148,369.48, 204,737.75 and 87,109.21

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Solution

The fourth proportional to 148,369.48, 204,737.75 and 87,109.21 is: 120,203.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,369.48 : 204,737.75 = 87,109.21 : x
  2. Step 2: Convert to fraction form
    148,369.48/204,737.75 = 87,109.21/x
  3. Step 3: Cross multiply
    148,369.48x = 204,737.75 × 87,109.21
  4. Step 4: Simplify right side
    148,369.48x = 17,834,543,806.71
  5. Step 5: Solve for x
    x = 17,834,543,806.71/148,369.48
  6. Step 6: Final answer
    x = 120,203.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.