Home / 95,153.40-142,730.10-55,690.20

Finding the Fourth Proportional to 95,153.40, 142,730.10 and 55,690.20

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Solution

The fourth proportional to 95,153.40, 142,730.10 and 55,690.20 is: 83,535.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,153.40 : 142,730.10 = 55,690.20 : x
  2. Step 2: Convert to fraction form
    95,153.40/142,730.10 = 55,690.20/x
  3. Step 3: Cross multiply
    95,153.40x = 142,730.10 × 55,690.20
  4. Step 4: Simplify right side
    95,153.40x = 7,948,667,815.02
  5. Step 5: Solve for x
    x = 7,948,667,815.02/95,153.40
  6. Step 6: Final answer
    x = 83,535.30

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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.