Home / 140,238.88-210,441.56-56,038.80

Finding the Fourth Proportional to 140,238.88, 210,441.56 and 56,038.80

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Solution

The fourth proportional to 140,238.88, 210,441.56 and 56,038.80 is: 84,091.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,238.88 : 210,441.56 = 56,038.80 : x
  2. Step 2: Convert to fraction form
    140,238.88/210,441.56 = 56,038.80/x
  3. Step 3: Cross multiply
    140,238.88x = 210,441.56 × 56,038.80
  4. Step 4: Simplify right side
    140,238.88x = 11,792,892,492.53
  5. Step 5: Solve for x
    x = 11,792,892,492.53/140,238.88
  6. Step 6: Final answer
    x = 84,091.46

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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.