Home / 157,888.36-236,829.20-51,272.20

Finding the Fourth Proportional to 157,888.36, 236,829.20 and 51,272.20

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Solution

The fourth proportional to 157,888.36, 236,829.20 and 51,272.20 is: 76,907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,888.36 : 236,829.20 = 51,272.20 : x
  2. Step 2: Convert to fraction form
    157,888.36/236,829.20 = 51,272.20/x
  3. Step 3: Cross multiply
    157,888.36x = 236,829.20 × 51,272.20
  4. Step 4: Simplify right side
    157,888.36x = 12,142,754,108.24
  5. Step 5: Solve for x
    x = 12,142,754,108.24/157,888.36
  6. Step 6: Final answer
    x = 76,907.22

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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.