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Finding the Fourth Proportional to 124,294.76, 186,412.58 and 34,335.48

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Solution

The fourth proportional to 124,294.76, 186,412.58 and 34,335.48 is: 51,495.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,294.76 : 186,412.58 = 34,335.48 : x
  2. Step 2: Convert to fraction form
    124,294.76/186,412.58 = 34,335.48/x
  3. Step 3: Cross multiply
    124,294.76x = 186,412.58 × 34,335.48
  4. Step 4: Simplify right side
    124,294.76x = 6,400,565,412.34
  5. Step 5: Solve for x
    x = 6,400,565,412.34/124,294.76
  6. Step 6: Final answer
    x = 51,495.05

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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.