Home / 134,938.40-202,407.60-132,970.10

Finding the Fourth Proportional to 134,938.40, 202,407.60 and 132,970.10

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Solution

The fourth proportional to 134,938.40, 202,407.60 and 132,970.10 is: 199,455.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,938.40 : 202,407.60 = 132,970.10 : x
  2. Step 2: Convert to fraction form
    134,938.40/202,407.60 = 132,970.10/x
  3. Step 3: Cross multiply
    134,938.40x = 202,407.60 × 132,970.10
  4. Step 4: Simplify right side
    134,938.40x = 26,914,158,812.76
  5. Step 5: Solve for x
    x = 26,914,158,812.76/134,938.40
  6. Step 6: Final answer
    x = 199,455.15

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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.