Home / 98,955.04-136,489.44-61,206.88

Finding the Fourth Proportional to 98,955.04, 136,489.44 and 61,206.88

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Solution

The fourth proportional to 98,955.04, 136,489.44 and 61,206.88 is: 84,423.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,955.04 : 136,489.44 = 61,206.88 : x
  2. Step 2: Convert to fraction form
    98,955.04/136,489.44 = 61,206.88/x
  3. Step 3: Cross multiply
    98,955.04x = 136,489.44 × 61,206.88
  4. Step 4: Simplify right side
    98,955.04x = 8,354,092,775.35
  5. Step 5: Solve for x
    x = 8,354,092,775.35/98,955.04
  6. Step 6: Final answer
    x = 84,423.12

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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.