Home / 90,003.40-134,810.70-48,401.80

Finding the Fourth Proportional to 90,003.40, 134,810.70 and 48,401.80

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Solution

The fourth proportional to 90,003.40, 134,810.70 and 48,401.80 is: 72,498.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,003.40 : 134,810.70 = 48,401.80 : x
  2. Step 2: Convert to fraction form
    90,003.40/134,810.70 = 48,401.80/x
  3. Step 3: Cross multiply
    90,003.40x = 134,810.70 × 48,401.80
  4. Step 4: Simplify right side
    90,003.40x = 6,525,080,539.26
  5. Step 5: Solve for x
    x = 6,525,080,539.26/90,003.40
  6. Step 6: Final answer
    x = 72,498.16

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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.