Home / 103,671.95-155,500.53-40,480.24

Finding the Fourth Proportional to 103,671.95, 155,500.53 and 40,480.24

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Solution

The fourth proportional to 103,671.95, 155,500.53 and 40,480.24 is: 60,717.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,671.95 : 155,500.53 = 40,480.24 : x
  2. Step 2: Convert to fraction form
    103,671.95/155,500.53 = 40,480.24/x
  3. Step 3: Cross multiply
    103,671.95x = 155,500.53 × 40,480.24
  4. Step 4: Simplify right side
    103,671.95x = 6,294,698,774.53
  5. Step 5: Solve for x
    x = 6,294,698,774.53/103,671.95
  6. Step 6: Final answer
    x = 60,717.47

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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.