Home / 157,415.12-236,125.56-57,575.24

Finding the Fourth Proportional to 157,415.12, 236,125.56 and 57,575.24

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Solution

The fourth proportional to 157,415.12, 236,125.56 and 57,575.24 is: 86,363.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,415.12 : 236,125.56 = 57,575.24 : x
  2. Step 2: Convert to fraction form
    157,415.12/236,125.56 = 57,575.24/x
  3. Step 3: Cross multiply
    157,415.12x = 236,125.56 × 57,575.24
  4. Step 4: Simplify right side
    157,415.12x = 13,594,985,787.13
  5. Step 5: Solve for x
    x = 13,594,985,787.13/157,415.12
  6. Step 6: Final answer
    x = 86,363.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.