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Finding the Fourth Proportional to 141,536.88, 212,312.88 and 36,356.76

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Solution

The fourth proportional to 141,536.88, 212,312.88 and 36,356.76 is: 54,537.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,536.88 : 212,312.88 = 36,356.76 : x
  2. Step 2: Convert to fraction form
    141,536.88/212,312.88 = 36,356.76/x
  3. Step 3: Cross multiply
    141,536.88x = 212,312.88 × 36,356.76
  4. Step 4: Simplify right side
    141,536.88x = 7,719,008,423.07
  5. Step 5: Solve for x
    x = 7,719,008,423.07/141,536.88
  6. Step 6: Final answer
    x = 54,537.08

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1.5x scale

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.