Home / 101,018.25-151,533.45-30,898.17

Finding the Fourth Proportional to 101,018.25, 151,533.45 and 30,898.17

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Solution

The fourth proportional to 101,018.25, 151,533.45 and 30,898.17 is: 46,349.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,018.25 : 151,533.45 = 30,898.17 : x
  2. Step 2: Convert to fraction form
    101,018.25/151,533.45 = 30,898.17/x
  3. Step 3: Cross multiply
    101,018.25x = 151,533.45 × 30,898.17
  4. Step 4: Simplify right side
    101,018.25x = 4,682,106,298.79
  5. Step 5: Solve for x
    x = 4,682,106,298.79/101,018.25
  6. Step 6: Final answer
    x = 46,349.11

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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.