Home / 141,528.98-212,269.59-40,319.90

Finding the Fourth Proportional to 141,528.98, 212,269.59 and 40,319.90

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Solution

The fourth proportional to 141,528.98, 212,269.59 and 40,319.90 is: 60,473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,528.98 : 212,269.59 = 40,319.90 : x
  2. Step 2: Convert to fraction form
    141,528.98/212,269.59 = 40,319.90/x
  3. Step 3: Cross multiply
    141,528.98x = 212,269.59 × 40,319.90
  4. Step 4: Simplify right side
    141,528.98x = 8,558,688,641.84
  5. Step 5: Solve for x
    x = 8,558,688,641.84/141,528.98
  6. Step 6: Final answer
    x = 60,473.05

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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.