Home / 115,236.35-172,860.02-56,001.45

Finding the Fourth Proportional to 115,236.35, 172,860.02 and 56,001.45

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Solution

The fourth proportional to 115,236.35, 172,860.02 and 56,001.45 is: 84,004.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,236.35 : 172,860.02 = 56,001.45 : x
  2. Step 2: Convert to fraction form
    115,236.35/172,860.02 = 56,001.45/x
  3. Step 3: Cross multiply
    115,236.35x = 172,860.02 × 56,001.45
  4. Step 4: Simplify right side
    115,236.35x = 9,680,411,907.03
  5. Step 5: Solve for x
    x = 9,680,411,907.03/115,236.35
  6. Step 6: Final answer
    x = 84,004.85

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1.5x scale

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.