Home / 145,378.89-217,979.04-56,528.83

Finding the Fourth Proportional to 145,378.89, 217,979.04 and 56,528.83

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Solution

The fourth proportional to 145,378.89, 217,979.04 and 56,528.83 is: 84,758.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,378.89 : 217,979.04 = 56,528.83 : x
  2. Step 2: Convert to fraction form
    145,378.89/217,979.04 = 56,528.83/x
  3. Step 3: Cross multiply
    145,378.89x = 217,979.04 × 56,528.83
  4. Step 4: Simplify right side
    145,378.89x = 12,322,099,853.49
  5. Step 5: Solve for x
    x = 12,322,099,853.49/145,378.89
  6. Step 6: Final answer
    x = 84,758.52

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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.