Home / 242,412.68-334,558.83-139,084.70

Finding the Fourth Proportional to 242,412.68, 334,558.83 and 139,084.70

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Solution

The fourth proportional to 242,412.68, 334,558.83 and 139,084.70 is: 191,953.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,412.68 : 334,558.83 = 139,084.70 : x
  2. Step 2: Convert to fraction form
    242,412.68/334,558.83 = 139,084.70/x
  3. Step 3: Cross multiply
    242,412.68x = 334,558.83 × 139,084.70
  4. Step 4: Simplify right side
    242,412.68x = 46,532,014,502.90
  5. Step 5: Solve for x
    x = 46,532,014,502.90/242,412.68
  6. Step 6: Final answer
    x = 191,953.72

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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.