Home / 155,311.70-232,967.85-42,992.24

Finding the Fourth Proportional to 155,311.70, 232,967.85 and 42,992.24

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Solution

The fourth proportional to 155,311.70, 232,967.85 and 42,992.24 is: 64,488.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,311.70 : 232,967.85 = 42,992.24 : x
  2. Step 2: Convert to fraction form
    155,311.70/232,967.85 = 42,992.24/x
  3. Step 3: Cross multiply
    155,311.70x = 232,967.85 × 42,992.24
  4. Step 4: Simplify right side
    155,311.70x = 10,015,808,393.42
  5. Step 5: Solve for x
    x = 10,015,808,393.42/155,311.70
  6. Step 6: Final answer
    x = 64,488.44

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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.