Home / 136,266.80-204,400.20-42,772.40

Finding the Fourth Proportional to 136,266.80, 204,400.20 and 42,772.40

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Solution

The fourth proportional to 136,266.80, 204,400.20 and 42,772.40 is: 64,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,266.80 : 204,400.20 = 42,772.40 : x
  2. Step 2: Convert to fraction form
    136,266.80/204,400.20 = 42,772.40/x
  3. Step 3: Cross multiply
    136,266.80x = 204,400.20 × 42,772.40
  4. Step 4: Simplify right side
    136,266.80x = 8,742,687,114.48
  5. Step 5: Solve for x
    x = 8,742,687,114.48/136,266.80
  6. Step 6: Final answer
    x = 64,158.60

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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.