Home / 145,053.14-217,590.25-60,728.50

Finding the Fourth Proportional to 145,053.14, 217,590.25 and 60,728.50

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Solution

The fourth proportional to 145,053.14, 217,590.25 and 60,728.50 is: 91,097.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,053.14 : 217,590.25 = 60,728.50 : x
  2. Step 2: Convert to fraction form
    145,053.14/217,590.25 = 60,728.50/x
  3. Step 3: Cross multiply
    145,053.14x = 217,590.25 × 60,728.50
  4. Step 4: Simplify right side
    145,053.14x = 13,213,929,497.13
  5. Step 5: Solve for x
    x = 13,213,929,497.13/145,053.14
  6. Step 6: Final answer
    x = 91,097.16

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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.