Home / 187,570.39-281,400.35-61,210.87

Finding the Fourth Proportional to 187,570.39, 281,400.35 and 61,210.87

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Solution

The fourth proportional to 187,570.39, 281,400.35 and 61,210.87 is: 91,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,570.39 : 281,400.35 = 61,210.87 : x
  2. Step 2: Convert to fraction form
    187,570.39/281,400.35 = 61,210.87/x
  3. Step 3: Cross multiply
    187,570.39x = 281,400.35 × 61,210.87
  4. Step 4: Simplify right side
    187,570.39x = 17,224,759,232.25
  5. Step 5: Solve for x
    x = 17,224,759,232.25/187,570.39
  6. Step 6: Final answer
    x = 91,830.91

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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.