Home / 292,972.15-439,458.23-105,939.91

Finding the Fourth Proportional to 292,972.15, 439,458.23 and 105,939.91

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Solution

The fourth proportional to 292,972.15, 439,458.23 and 105,939.91 is: 158,909.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,972.15 : 439,458.23 = 105,939.91 : x
  2. Step 2: Convert to fraction form
    292,972.15/439,458.23 = 105,939.91/x
  3. Step 3: Cross multiply
    292,972.15x = 439,458.23 × 105,939.91
  4. Step 4: Simplify right side
    292,972.15x = 46,556,165,334.96
  5. Step 5: Solve for x
    x = 46,556,165,334.96/292,972.15
  6. Step 6: Final answer
    x = 158,909.87

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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.