Home / 98,187.69-135,492.53-57,899.55

Finding the Fourth Proportional to 98,187.69, 135,492.53 and 57,899.55

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Solution

The fourth proportional to 98,187.69, 135,492.53 and 57,899.55 is: 79,897.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,187.69 : 135,492.53 = 57,899.55 : x
  2. Step 2: Convert to fraction form
    98,187.69/135,492.53 = 57,899.55/x
  3. Step 3: Cross multiply
    98,187.69x = 135,492.53 × 57,899.55
  4. Step 4: Simplify right side
    98,187.69x = 7,844,956,225.86
  5. Step 5: Solve for x
    x = 7,844,956,225.86/98,187.69
  6. Step 6: Final answer
    x = 79,897.55

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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.