Home / 145,997.48-218,903.88-61,714.28

Finding the Fourth Proportional to 145,997.48, 218,903.88 and 61,714.28

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Solution

The fourth proportional to 145,997.48, 218,903.88 and 61,714.28 is: 92,532.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,997.48 : 218,903.88 = 61,714.28 : x
  2. Step 2: Convert to fraction form
    145,997.48/218,903.88 = 61,714.28/x
  3. Step 3: Cross multiply
    145,997.48x = 218,903.88 × 61,714.28
  4. Step 4: Simplify right side
    145,997.48x = 13,509,495,343.41
  5. Step 5: Solve for x
    x = 13,509,495,343.41/145,997.48
  6. Step 6: Final answer
    x = 92,532.39

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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.