Home / 134,803.40-202,205.10-68,448.20

Finding the Fourth Proportional to 134,803.40, 202,205.10 and 68,448.20

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Solution

The fourth proportional to 134,803.40, 202,205.10 and 68,448.20 is: 102,672.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,803.40 : 202,205.10 = 68,448.20 : x
  2. Step 2: Convert to fraction form
    134,803.40/202,205.10 = 68,448.20/x
  3. Step 3: Cross multiply
    134,803.40x = 202,205.10 × 68,448.20
  4. Step 4: Simplify right side
    134,803.40x = 13,840,575,125.82
  5. Step 5: Solve for x
    x = 13,840,575,125.82/134,803.40
  6. Step 6: Final answer
    x = 102,672.30

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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.