Home / 136,880.60-205,320.90-94,890.20

Finding the Fourth Proportional to 136,880.60, 205,320.90 and 94,890.20

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Solution

The fourth proportional to 136,880.60, 205,320.90 and 94,890.20 is: 142,335.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,880.60 : 205,320.90 = 94,890.20 : x
  2. Step 2: Convert to fraction form
    136,880.60/205,320.90 = 94,890.20/x
  3. Step 3: Cross multiply
    136,880.60x = 205,320.90 × 94,890.20
  4. Step 4: Simplify right side
    136,880.60x = 19,482,941,265.18
  5. Step 5: Solve for x
    x = 19,482,941,265.18/136,880.60
  6. Step 6: Final answer
    x = 142,335.30

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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.