Home / 145,006.64-200,136.48-94,618.16

Finding the Fourth Proportional to 145,006.64, 200,136.48 and 94,618.16

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Solution

The fourth proportional to 145,006.64, 200,136.48 and 94,618.16 is: 130,590.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,006.64 : 200,136.48 = 94,618.16 : x
  2. Step 2: Convert to fraction form
    145,006.64/200,136.48 = 94,618.16/x
  3. Step 3: Cross multiply
    145,006.64x = 200,136.48 × 94,618.16
  4. Step 4: Simplify right side
    145,006.64x = 18,936,545,486.48
  5. Step 5: Solve for x
    x = 18,936,545,486.48/145,006.64
  6. Step 6: Final answer
    x = 130,590.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.