Home / 136,358.74-204,570.42-42,864.58

Finding the Fourth Proportional to 136,358.74, 204,570.42 and 42,864.58

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Solution

The fourth proportional to 136,358.74, 204,570.42 and 42,864.58 is: 64,307.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,358.74 : 204,570.42 = 42,864.58 : x
  2. Step 2: Convert to fraction form
    136,358.74/204,570.42 = 42,864.58/x
  3. Step 3: Cross multiply
    136,358.74x = 204,570.42 × 42,864.58
  4. Step 4: Simplify right side
    136,358.74x = 8,768,825,133.72
  5. Step 5: Solve for x
    x = 8,768,825,133.72/136,358.74
  6. Step 6: Final answer
    x = 64,307.03

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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.