Home / 97,211.80-145,526.10-91,444.60

Finding the Fourth Proportional to 97,211.80, 145,526.10 and 91,444.60

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Solution

The fourth proportional to 97,211.80, 145,526.10 and 91,444.60 is: 136,892.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,211.80 : 145,526.10 = 91,444.60 : x
  2. Step 2: Convert to fraction form
    97,211.80/145,526.10 = 91,444.60/x
  3. Step 3: Cross multiply
    97,211.80x = 145,526.10 × 91,444.60
  4. Step 4: Simplify right side
    97,211.80x = 13,307,576,004.06
  5. Step 5: Solve for x
    x = 13,307,576,004.06/97,211.80
  6. Step 6: Final answer
    x = 136,892.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.