Home / 136,567.40-204,851.10-80,580.20

Finding the Fourth Proportional to 136,567.40, 204,851.10 and 80,580.20

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Solution

The fourth proportional to 136,567.40, 204,851.10 and 80,580.20 is: 120,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,567.40 : 204,851.10 = 80,580.20 : x
  2. Step 2: Convert to fraction form
    136,567.40/204,851.10 = 80,580.20/x
  3. Step 3: Cross multiply
    136,567.40x = 204,851.10 × 80,580.20
  4. Step 4: Simplify right side
    136,567.40x = 16,506,942,608.22
  5. Step 5: Solve for x
    x = 16,506,942,608.22/136,567.40
  6. Step 6: Final answer
    x = 120,870.30

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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.