Home / 102,424.72-153,637.10-67,356.18

Finding the Fourth Proportional to 102,424.72, 153,637.10 and 67,356.18

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Solution

The fourth proportional to 102,424.72, 153,637.10 and 67,356.18 is: 101,034.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,424.72 : 153,637.10 = 67,356.18 : x
  2. Step 2: Convert to fraction form
    102,424.72/153,637.10 = 67,356.18/x
  3. Step 3: Cross multiply
    102,424.72x = 153,637.10 × 67,356.18
  4. Step 4: Simplify right side
    102,424.72x = 10,348,408,162.28
  5. Step 5: Solve for x
    x = 10,348,408,162.28/102,424.72
  6. Step 6: Final answer
    x = 101,034.28

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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.