Home / 134,897.40-202,475.70-68,412.60

Finding the Fourth Proportional to 134,897.40, 202,475.70 and 68,412.60

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Solution

The fourth proportional to 134,897.40, 202,475.70 and 68,412.60 is: 102,684.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,897.40 : 202,475.70 = 68,412.60 : x
  2. Step 2: Convert to fraction form
    134,897.40/202,475.70 = 68,412.60/x
  3. Step 3: Cross multiply
    134,897.40x = 202,475.70 × 68,412.60
  4. Step 4: Simplify right side
    134,897.40x = 13,851,889,073.82
  5. Step 5: Solve for x
    x = 13,851,889,073.82/134,897.40
  6. Step 6: Final answer
    x = 102,684.63

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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.