Home / 103,480.35-155,220.53-93,638.85

Finding the Fourth Proportional to 103,480.35, 155,220.53 and 93,638.85

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Solution

The fourth proportional to 103,480.35, 155,220.53 and 93,638.85 is: 140,458.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,480.35 : 155,220.53 = 93,638.85 : x
  2. Step 2: Convert to fraction form
    103,480.35/155,220.53 = 93,638.85/x
  3. Step 3: Cross multiply
    103,480.35x = 155,220.53 × 93,638.85
  4. Step 4: Simplify right side
    103,480.35x = 14,534,671,457.40
  5. Step 5: Solve for x
    x = 14,534,671,457.40/103,480.35
  6. Step 6: Final answer
    x = 140,458.28

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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.