Home / 149,915.85-224,762.59-90,737.65

Finding the Fourth Proportional to 149,915.85, 224,762.59 and 90,737.65

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Solution

The fourth proportional to 149,915.85, 224,762.59 and 90,737.65 is: 136,039.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,915.85 : 224,762.59 = 90,737.65 : x
  2. Step 2: Convert to fraction form
    149,915.85/224,762.59 = 90,737.65/x
  3. Step 3: Cross multiply
    149,915.85x = 224,762.59 × 90,737.65
  4. Step 4: Simplify right side
    149,915.85x = 20,394,429,224.51
  5. Step 5: Solve for x
    x = 20,394,429,224.51/149,915.85
  6. Step 6: Final answer
    x = 136,039.18

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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.