Home / 112,971.60-155,773.56-92,490

Finding the Fourth Proportional to 112,971.60, 155,773.56 and 92,490

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Solution

The fourth proportional to 112,971.60, 155,773.56 and 92,490 is: 127,532.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,971.60 : 155,773.56 = 92,490 : x
  2. Step 2: Convert to fraction form
    112,971.60/155,773.56 = 92,490/x
  3. Step 3: Cross multiply
    112,971.60x = 155,773.56 × 92,490
  4. Step 4: Simplify right side
    112,971.60x = 14,407,496,564.40
  5. Step 5: Solve for x
    x = 14,407,496,564.40/112,971.60
  6. Step 6: Final answer
    x = 127,532.02

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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.