Home / 153,267.32-229,900.66-42,459

Finding the Fourth Proportional to 153,267.32, 229,900.66 and 42,459

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Solution

The fourth proportional to 153,267.32, 229,900.66 and 42,459 is: 63,688.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,267.32 : 229,900.66 = 42,459 : x
  2. Step 2: Convert to fraction form
    153,267.32/229,900.66 = 42,459/x
  3. Step 3: Cross multiply
    153,267.32x = 229,900.66 × 42,459
  4. Step 4: Simplify right side
    153,267.32x = 9,761,352,122.94
  5. Step 5: Solve for x
    x = 9,761,352,122.94/153,267.32
  6. Step 6: Final answer
    x = 63,688.41

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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.