Home / 145,574.20-218,272.20-56,725.30

Finding the Fourth Proportional to 145,574.20, 218,272.20 and 56,725.30

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Solution

The fourth proportional to 145,574.20, 218,272.20 and 56,725.30 is: 85,053.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,574.20 : 218,272.20 = 56,725.30 : x
  2. Step 2: Convert to fraction form
    145,574.20/218,272.20 = 56,725.30/x
  3. Step 3: Cross multiply
    145,574.20x = 218,272.20 × 56,725.30
  4. Step 4: Simplify right side
    145,574.20x = 12,381,556,026.66
  5. Step 5: Solve for x
    x = 12,381,556,026.66/145,574.20
  6. Step 6: Final answer
    x = 85,053.23

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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.