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Finding the Fourth Proportional to 141,524.76, 212,302.02 and 70,465.02

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Solution

The fourth proportional to 141,524.76, 212,302.02 and 70,465.02 is: 105,704.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,524.76 : 212,302.02 = 70,465.02 : x
  2. Step 2: Convert to fraction form
    141,524.76/212,302.02 = 70,465.02/x
  3. Step 3: Cross multiply
    141,524.76x = 212,302.02 × 70,465.02
  4. Step 4: Simplify right side
    141,524.76x = 14,959,866,085.34
  5. Step 5: Solve for x
    x = 14,959,866,085.34/141,524.76
  6. Step 6: Final answer
    x = 105,704.94

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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.