Home / 97,124.60-145,412.98-51,428.75

Finding the Fourth Proportional to 97,124.60, 145,412.98 and 51,428.75

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Solution

The fourth proportional to 97,124.60, 145,412.98 and 51,428.75 is: 76,998.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,124.60 : 145,412.98 = 51,428.75 : x
  2. Step 2: Convert to fraction form
    97,124.60/145,412.98 = 51,428.75/x
  3. Step 3: Cross multiply
    97,124.60x = 145,412.98 × 51,428.75
  4. Step 4: Simplify right side
    97,124.60x = 7,478,407,431.64
  5. Step 5: Solve for x
    x = 7,478,407,431.64/97,124.60
  6. Step 6: Final answer
    x = 76,998.08

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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.