Home / 141,626.37-212,411.34-90,875.28

Finding the Fourth Proportional to 141,626.37, 212,411.34 and 90,875.28

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Solution

The fourth proportional to 141,626.37, 212,411.34 and 90,875.28 is: 136,294.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,626.37 : 212,411.34 = 90,875.28 : x
  2. Step 2: Convert to fraction form
    141,626.37/212,411.34 = 90,875.28/x
  3. Step 3: Cross multiply
    141,626.37x = 212,411.34 × 90,875.28
  4. Step 4: Simplify right side
    141,626.37x = 19,302,939,997.68
  5. Step 5: Solve for x
    x = 19,302,939,997.68/141,626.37
  6. Step 6: Final answer
    x = 136,294.82

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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.