Home / 170,121.04-255,275.52-70,258

Finding the Fourth Proportional to 170,121.04, 255,275.52 and 70,258

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Solution

The fourth proportional to 170,121.04, 255,275.52 and 70,258 is: 105,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,121.04 : 255,275.52 = 70,258 : x
  2. Step 2: Convert to fraction form
    170,121.04/255,275.52 = 70,258/x
  3. Step 3: Cross multiply
    170,121.04x = 255,275.52 × 70,258
  4. Step 4: Simplify right side
    170,121.04x = 17,935,147,484.16
  5. Step 5: Solve for x
    x = 17,935,147,484.16/170,121.04
  6. Step 6: Final answer
    x = 105,425.80

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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.