Home / 141,332.81-211,999.21-66,397.95

Finding the Fourth Proportional to 141,332.81, 211,999.21 and 66,397.95

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Solution

The fourth proportional to 141,332.81, 211,999.21 and 66,397.95 is: 99,596.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,332.81 : 211,999.21 = 66,397.95 : x
  2. Step 2: Convert to fraction form
    141,332.81/211,999.21 = 66,397.95/x
  3. Step 3: Cross multiply
    141,332.81x = 211,999.21 × 66,397.95
  4. Step 4: Simplify right side
    141,332.81x = 14,076,312,779.62
  5. Step 5: Solve for x
    x = 14,076,312,779.62/141,332.81
  6. Step 6: Final answer
    x = 99,596.93

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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.