Home / 153,015.12-227,984.74-144,420.56

Finding the Fourth Proportional to 153,015.12, 227,984.74 and 144,420.56

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Solution

The fourth proportional to 153,015.12, 227,984.74 and 144,420.56 is: 215,179.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,015.12 : 227,984.74 = 144,420.56 : x
  2. Step 2: Convert to fraction form
    153,015.12/227,984.74 = 144,420.56/x
  3. Step 3: Cross multiply
    153,015.12x = 227,984.74 × 144,420.56
  4. Step 4: Simplify right side
    153,015.12x = 32,925,683,822.25
  5. Step 5: Solve for x
    x = 32,925,683,822.25/153,015.12
  6. Step 6: Final answer
    x = 215,179.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.