Home / 149,801.80-224,411.10-83,122.60

Finding the Fourth Proportional to 149,801.80, 224,411.10 and 83,122.60

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Solution

The fourth proportional to 149,801.80, 224,411.10 and 83,122.60 is: 124,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,801.80 : 224,411.10 = 83,122.60 : x
  2. Step 2: Convert to fraction form
    149,801.80/224,411.10 = 83,122.60/x
  3. Step 3: Cross multiply
    149,801.80x = 224,411.10 × 83,122.60
  4. Step 4: Simplify right side
    149,801.80x = 18,653,634,100.86
  5. Step 5: Solve for x
    x = 18,653,634,100.86/149,801.80
  6. Step 6: Final answer
    x = 124,522.10

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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.