Home / 133,130.60-199,436.70-73,860.20

Finding the Fourth Proportional to 133,130.60, 199,436.70 and 73,860.20

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Solution

The fourth proportional to 133,130.60, 199,436.70 and 73,860.20 is: 110,646.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,130.60 : 199,436.70 = 73,860.20 : x
  2. Step 2: Convert to fraction form
    133,130.60/199,436.70 = 73,860.20/x
  3. Step 3: Cross multiply
    133,130.60x = 199,436.70 × 73,860.20
  4. Step 4: Simplify right side
    133,130.60x = 14,730,434,549.34
  5. Step 5: Solve for x
    x = 14,730,434,549.34/133,130.60
  6. Step 6: Final answer
    x = 110,646.50

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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.