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Finding the Fourth Proportional to 141,152.70, 211,784.13 and 62,211.31

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Solution

The fourth proportional to 141,152.70, 211,784.13 and 62,211.31 is: 93,341.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,152.70 : 211,784.13 = 62,211.31 : x
  2. Step 2: Convert to fraction form
    141,152.70/211,784.13 = 62,211.31/x
  3. Step 3: Cross multiply
    141,152.70x = 211,784.13 × 62,211.31
  4. Step 4: Simplify right side
    141,152.70x = 13,175,368,164.51
  5. Step 5: Solve for x
    x = 13,175,368,164.51/141,152.70
  6. Step 6: Final answer
    x = 93,341.24

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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.