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Finding the Fourth Proportional to 124,817.90, 175,056.10 and 124,817.90

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Solution

The fourth proportional to 124,817.90, 175,056.10 and 124,817.90 is: 175,056.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,817.90 : 175,056.10 = 124,817.90 : x
  2. Step 2: Convert to fraction form
    124,817.90/175,056.10 = 124,817.90/x
  3. Step 3: Cross multiply
    124,817.90x = 175,056.10 × 124,817.90
  4. Step 4: Simplify right side
    124,817.90x = 21,850,134,784.19
  5. Step 5: Solve for x
    x = 21,850,134,784.19/124,817.90
  6. Step 6: Final answer
    x = 175,056.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.