Home / 112,470.40-155,210.60-61,482.31

Finding the Fourth Proportional to 112,470.40, 155,210.60 and 61,482.31

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Solution

The fourth proportional to 112,470.40, 155,210.60 and 61,482.31 is: 84,846.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,470.40 : 155,210.60 = 61,482.31 : x
  2. Step 2: Convert to fraction form
    112,470.40/155,210.60 = 61,482.31/x
  3. Step 3: Cross multiply
    112,470.40x = 155,210.60 × 61,482.31
  4. Step 4: Simplify right side
    112,470.40x = 9,542,706,224.49
  5. Step 5: Solve for x
    x = 9,542,706,224.49/112,470.40
  6. Step 6: Final answer
    x = 84,846.38

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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.