Home / 97,820.30-134,985.53-54,209.93

Finding the Fourth Proportional to 97,820.30, 134,985.53 and 54,209.93

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Solution

The fourth proportional to 97,820.30, 134,985.53 and 54,209.93 is: 74,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,820.30 : 134,985.53 = 54,209.93 : x
  2. Step 2: Convert to fraction form
    97,820.30/134,985.53 = 54,209.93/x
  3. Step 3: Cross multiply
    97,820.30x = 134,985.53 × 54,209.93
  4. Step 4: Simplify right side
    97,820.30x = 7,317,555,592.91
  5. Step 5: Solve for x
    x = 7,317,555,592.91/97,820.30
  6. Step 6: Final answer
    x = 74,806.10

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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.