Home / 136,428.20-204,547.04-60,485.56

Finding the Fourth Proportional to 136,428.20, 204,547.04 and 60,485.56

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Solution

The fourth proportional to 136,428.20, 204,547.04 and 60,485.56 is: 90,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,428.20 : 204,547.04 = 60,485.56 : x
  2. Step 2: Convert to fraction form
    136,428.20/204,547.04 = 60,485.56/x
  3. Step 3: Cross multiply
    136,428.20x = 204,547.04 × 60,485.56
  4. Step 4: Simplify right side
    136,428.20x = 12,372,142,260.74
  5. Step 5: Solve for x
    x = 12,372,142,260.74/136,428.20
  6. Step 6: Final answer
    x = 90,686.11

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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.