Home / 140,790.45-211,169.28-56,547.21

Finding the Fourth Proportional to 140,790.45, 211,169.28 and 56,547.21

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Solution

The fourth proportional to 140,790.45, 211,169.28 and 56,547.21 is: 84,814.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,790.45 : 211,169.28 = 56,547.21 : x
  2. Step 2: Convert to fraction form
    140,790.45/211,169.28 = 56,547.21/x
  3. Step 3: Cross multiply
    140,790.45x = 211,169.28 × 56,547.21
  4. Step 4: Simplify right side
    140,790.45x = 11,941,034,307.57
  5. Step 5: Solve for x
    x = 11,941,034,307.57/140,790.45
  6. Step 6: Final answer
    x = 84,814.23

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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.