Home / 124,435.20-187,041.60-122,102.40

Finding the Fourth Proportional to 124,435.20, 187,041.60 and 122,102.40

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Solution

The fourth proportional to 124,435.20, 187,041.60 and 122,102.40 is: 183,535.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,435.20 : 187,041.60 = 122,102.40 : x
  2. Step 2: Convert to fraction form
    124,435.20/187,041.60 = 122,102.40/x
  3. Step 3: Cross multiply
    124,435.20x = 187,041.60 × 122,102.40
  4. Step 4: Simplify right side
    124,435.20x = 22,838,228,259.84
  5. Step 5: Solve for x
    x = 22,838,228,259.84/124,435.20
  6. Step 6: Final answer
    x = 183,535.11

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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.