Home / 144,720.56-217,154.91-68,904.92

Finding the Fourth Proportional to 144,720.56, 217,154.91 and 68,904.92

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Solution

The fourth proportional to 144,720.56, 217,154.91 and 68,904.92 is: 103,392.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,720.56 : 217,154.91 = 68,904.92 : x
  2. Step 2: Convert to fraction form
    144,720.56/217,154.91 = 68,904.92/x
  3. Step 3: Cross multiply
    144,720.56x = 217,154.91 × 68,904.92
  4. Step 4: Simplify right side
    144,720.56x = 14,963,041,701.16
  5. Step 5: Solve for x
    x = 14,963,041,701.16/144,720.56
  6. Step 6: Final answer
    x = 103,392.65

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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.