Home / 272,005.10-375,359.55-151,143.26

Finding the Fourth Proportional to 272,005.10, 375,359.55 and 151,143.26

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Solution

The fourth proportional to 272,005.10, 375,359.55 and 151,143.26 is: 208,573.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,005.10 : 375,359.55 = 151,143.26 : x
  2. Step 2: Convert to fraction form
    272,005.10/375,359.55 = 151,143.26/x
  3. Step 3: Cross multiply
    272,005.10x = 375,359.55 × 151,143.26
  4. Step 4: Simplify right side
    272,005.10x = 56,733,066,059.13
  5. Step 5: Solve for x
    x = 56,733,066,059.13/272,005.10
  6. Step 6: Final answer
    x = 208,573.54

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1.5x scale

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.