Home / 94,170.40-141,210.48-31,820.32

Finding the Fourth Proportional to 94,170.40, 141,210.48 and 31,820.32

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Solution

The fourth proportional to 94,170.40, 141,210.48 and 31,820.32 is: 47,715.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,170.40 : 141,210.48 = 31,820.32 : x
  2. Step 2: Convert to fraction form
    94,170.40/141,210.48 = 31,820.32/x
  3. Step 3: Cross multiply
    94,170.40x = 141,210.48 × 31,820.32
  4. Step 4: Simplify right side
    94,170.40x = 4,493,362,660.95
  5. Step 5: Solve for x
    x = 4,493,362,660.95/94,170.40
  6. Step 6: Final answer
    x = 47,715.23

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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.