Home / 124,548.20-186,822.30-102,678.20

Finding the Fourth Proportional to 124,548.20, 186,822.30 and 102,678.20

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Solution

The fourth proportional to 124,548.20, 186,822.30 and 102,678.20 is: 154,017.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,548.20 : 186,822.30 = 102,678.20 : x
  2. Step 2: Convert to fraction form
    124,548.20/186,822.30 = 102,678.20/x
  3. Step 3: Cross multiply
    124,548.20x = 186,822.30 × 102,678.20
  4. Step 4: Simplify right side
    124,548.20x = 19,182,577,483.86
  5. Step 5: Solve for x
    x = 19,182,577,483.86/124,548.20
  6. Step 6: Final answer
    x = 154,017.30

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1.5x scale

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.