Home / 141,378.96-212,349.09-84,562.32

Finding the Fourth Proportional to 141,378.96, 212,349.09 and 84,562.32

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Solution

The fourth proportional to 141,378.96, 212,349.09 and 84,562.32 is: 127,011.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,378.96 : 212,349.09 = 84,562.32 : x
  2. Step 2: Convert to fraction form
    141,378.96/212,349.09 = 84,562.32/x
  3. Step 3: Cross multiply
    141,378.96x = 212,349.09 × 84,562.32
  4. Step 4: Simplify right side
    141,378.96x = 17,956,731,700.29
  5. Step 5: Solve for x
    x = 17,956,731,700.29/141,378.96
  6. Step 6: Final answer
    x = 127,011.34

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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.