Home / 112,503.09-155,247.91-61,506.34

Finding the Fourth Proportional to 112,503.09, 155,247.91 and 61,506.34

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Solution

The fourth proportional to 112,503.09, 155,247.91 and 61,506.34 is: 84,875.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,503.09 : 155,247.91 = 61,506.34 : x
  2. Step 2: Convert to fraction form
    112,503.09/155,247.91 = 61,506.34/x
  3. Step 3: Cross multiply
    112,503.09x = 155,247.91 × 61,506.34
  4. Step 4: Simplify right side
    112,503.09x = 9,548,730,736.75
  5. Step 5: Solve for x
    x = 9,548,730,736.75/112,503.09
  6. Step 6: Final answer
    x = 84,875.28

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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.