Home / 563,149.12-844,714.72-136,688.47

Finding the Fourth Proportional to 563,149.12, 844,714.72 and 136,688.47

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Solution

The fourth proportional to 563,149.12, 844,714.72 and 136,688.47 is: 205,030.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,149.12 : 844,714.72 = 136,688.47 : x
  2. Step 2: Convert to fraction form
    563,149.12/844,714.72 = 136,688.47/x
  3. Step 3: Cross multiply
    563,149.12x = 844,714.72 × 136,688.47
  4. Step 4: Simplify right side
    563,149.12x = 115,462,757,756.26
  5. Step 5: Solve for x
    x = 115,462,757,756.26/563,149.12
  6. Step 6: Final answer
    x = 205,030.52

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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.