Home / 242,382.81-334,475.46-139,011.68

Finding the Fourth Proportional to 242,382.81, 334,475.46 and 139,011.68

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Solution

The fourth proportional to 242,382.81, 334,475.46 and 139,011.68 is: 191,828.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,382.81 : 334,475.46 = 139,011.68 : x
  2. Step 2: Convert to fraction form
    242,382.81/334,475.46 = 139,011.68/x
  3. Step 3: Cross multiply
    242,382.81x = 334,475.46 × 139,011.68
  4. Step 4: Simplify right side
    242,382.81x = 46,495,994,568.14
  5. Step 5: Solve for x
    x = 46,495,994,568.14/242,382.81
  6. Step 6: Final answer
    x = 191,828.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.