Home / 141,569.61-195,366.09-77,907.40

Finding the Fourth Proportional to 141,569.61, 195,366.09 and 77,907.40

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Solution

The fourth proportional to 141,569.61, 195,366.09 and 77,907.40 is: 107,512.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,569.61 : 195,366.09 = 77,907.40 : x
  2. Step 2: Convert to fraction form
    141,569.61/195,366.09 = 77,907.40/x
  3. Step 3: Cross multiply
    141,569.61x = 195,366.09 × 77,907.40
  4. Step 4: Simplify right side
    141,569.61x = 15,220,464,120.07
  5. Step 5: Solve for x
    x = 15,220,464,120.07/141,569.61
  6. Step 6: Final answer
    x = 107,512.23

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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.