Home / 141,628.21-212,364.65-56,152.47

Finding the Fourth Proportional to 141,628.21, 212,364.65 and 56,152.47

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Solution

The fourth proportional to 141,628.21, 212,364.65 and 56,152.47 is: 84,197.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,628.21 : 212,364.65 = 56,152.47 : x
  2. Step 2: Convert to fraction form
    141,628.21/212,364.65 = 56,152.47/x
  3. Step 3: Cross multiply
    141,628.21x = 212,364.65 × 56,152.47
  4. Step 4: Simplify right side
    141,628.21x = 11,924,799,638.19
  5. Step 5: Solve for x
    x = 11,924,799,638.19/141,628.21
  6. Step 6: Final answer
    x = 84,197.91

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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.