Home / 113,002.60-155,943.66-62,701.60

Finding the Fourth Proportional to 113,002.60, 155,943.66 and 62,701.60

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Solution

The fourth proportional to 113,002.60, 155,943.66 and 62,701.60 is: 86,528.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,002.60 : 155,943.66 = 62,701.60 : x
  2. Step 2: Convert to fraction form
    113,002.60/155,943.66 = 62,701.60/x
  3. Step 3: Cross multiply
    113,002.60x = 155,943.66 × 62,701.60
  4. Step 4: Simplify right side
    113,002.60x = 9,777,916,991.86
  5. Step 5: Solve for x
    x = 9,777,916,991.86/113,002.60
  6. Step 6: Final answer
    x = 86,528.25

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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.