Home / 162,821.48-224,693.64-99,159.28

Finding the Fourth Proportional to 162,821.48, 224,693.64 and 99,159.28

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Solution

The fourth proportional to 162,821.48, 224,693.64 and 99,159.28 is: 136,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,821.48 : 224,693.64 = 99,159.28 : x
  2. Step 2: Convert to fraction form
    162,821.48/224,693.64 = 99,159.28/x
  3. Step 3: Cross multiply
    162,821.48x = 224,693.64 × 99,159.28
  4. Step 4: Simplify right side
    162,821.48x = 22,280,459,562.98
  5. Step 5: Solve for x
    x = 22,280,459,562.98/162,821.48
  6. Step 6: Final answer
    x = 136,839.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.