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Finding the Fourth Proportional to 170,870.70, 256,306.05 and 162,317.10

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Solution

The fourth proportional to 170,870.70, 256,306.05 and 162,317.10 is: 243,475.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,870.70 : 256,306.05 = 162,317.10 : x
  2. Step 2: Convert to fraction form
    170,870.70/256,306.05 = 162,317.10/x
  3. Step 3: Cross multiply
    170,870.70x = 256,306.05 × 162,317.10
  4. Step 4: Simplify right side
    170,870.70x = 41,602,854,748.46
  5. Step 5: Solve for x
    x = 41,602,854,748.46/170,870.70
  6. Step 6: Final answer
    x = 243,475.65

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