Home / 152,670.87-210,675.33-84,685.14

Finding the Fourth Proportional to 152,670.87, 210,675.33 and 84,685.14

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Solution

The fourth proportional to 152,670.87, 210,675.33 and 84,685.14 is: 116,859.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,670.87 : 210,675.33 = 84,685.14 : x
  2. Step 2: Convert to fraction form
    152,670.87/210,675.33 = 84,685.14/x
  3. Step 3: Cross multiply
    152,670.87x = 210,675.33 × 84,685.14
  4. Step 4: Simplify right side
    152,670.87x = 17,841,069,815.60
  5. Step 5: Solve for x
    x = 17,841,069,815.60/152,670.87
  6. Step 6: Final answer
    x = 116,859.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.