Home / 145,121.91-217,460.93-60,836.15

Finding the Fourth Proportional to 145,121.91, 217,460.93 and 60,836.15

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Solution

The fourth proportional to 145,121.91, 217,460.93 and 60,836.15 is: 91,161.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,121.91 : 217,460.93 = 60,836.15 : x
  2. Step 2: Convert to fraction form
    145,121.91/217,460.93 = 60,836.15/x
  3. Step 3: Cross multiply
    145,121.91x = 217,460.93 × 60,836.15
  4. Step 4: Simplify right side
    145,121.91x = 13,229,484,365.13
  5. Step 5: Solve for x
    x = 13,229,484,365.13/145,121.91
  6. Step 6: Final answer
    x = 91,161.18

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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.