Home / 134,740.20-202,110.30-45,980.40

Finding the Fourth Proportional to 134,740.20, 202,110.30 and 45,980.40

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Solution

The fourth proportional to 134,740.20, 202,110.30 and 45,980.40 is: 68,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,740.20 : 202,110.30 = 45,980.40 : x
  2. Step 2: Convert to fraction form
    134,740.20/202,110.30 = 45,980.40/x
  3. Step 3: Cross multiply
    134,740.20x = 202,110.30 × 45,980.40
  4. Step 4: Simplify right side
    134,740.20x = 9,293,112,438.12
  5. Step 5: Solve for x
    x = 9,293,112,438.12/134,740.20
  6. Step 6: Final answer
    x = 68,970.60

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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.