Home / 112,360.49-155,056.54-61,373.25

Finding the Fourth Proportional to 112,360.49, 155,056.54 and 61,373.25

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Solution

The fourth proportional to 112,360.49, 155,056.54 and 61,373.25 is: 84,694.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,360.49 : 155,056.54 = 61,373.25 : x
  2. Step 2: Convert to fraction form
    112,360.49/155,056.54 = 61,373.25/x
  3. Step 3: Cross multiply
    112,360.49x = 155,056.54 × 61,373.25
  4. Step 4: Simplify right side
    112,360.49x = 9,516,323,793.56
  5. Step 5: Solve for x
    x = 9,516,323,793.56/112,360.49
  6. Step 6: Final answer
    x = 84,694.57

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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.