Home / 134,307.40-201,461.10-80,854.60

Finding the Fourth Proportional to 134,307.40, 201,461.10 and 80,854.60

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Solution

The fourth proportional to 134,307.40, 201,461.10 and 80,854.60 is: 121,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,307.40 : 201,461.10 = 80,854.60 : x
  2. Step 2: Convert to fraction form
    134,307.40/201,461.10 = 80,854.60/x
  3. Step 3: Cross multiply
    134,307.40x = 201,461.10 × 80,854.60
  4. Step 4: Simplify right side
    134,307.40x = 16,289,056,656.06
  5. Step 5: Solve for x
    x = 16,289,056,656.06/134,307.40
  6. Step 6: Final answer
    x = 121,281.90

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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.