Home / 155,988.90-215,266.62-94,717.68

Finding the Fourth Proportional to 155,988.90, 215,266.62 and 94,717.68

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Solution

The fourth proportional to 155,988.90, 215,266.62 and 94,717.68 is: 130,711.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,988.90 : 215,266.62 = 94,717.68 : x
  2. Step 2: Convert to fraction form
    155,988.90/215,266.62 = 94,717.68/x
  3. Step 3: Cross multiply
    155,988.90x = 215,266.62 × 94,717.68
  4. Step 4: Simplify right side
    155,988.90x = 20,389,554,827.84
  5. Step 5: Solve for x
    x = 20,389,554,827.84/155,988.90
  6. Step 6: Final answer
    x = 130,711.58

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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.