Home / 97,153.08-145,427.76-52,669.50

Finding the Fourth Proportional to 97,153.08, 145,427.76 and 52,669.50

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Solution

The fourth proportional to 97,153.08, 145,427.76 and 52,669.50 is: 78,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,153.08 : 145,427.76 = 52,669.50 : x
  2. Step 2: Convert to fraction form
    97,153.08/145,427.76 = 52,669.50/x
  3. Step 3: Cross multiply
    97,153.08x = 145,427.76 × 52,669.50
  4. Step 4: Simplify right side
    97,153.08x = 7,659,607,405.32
  5. Step 5: Solve for x
    x = 7,659,607,405.32/97,153.08
  6. Step 6: Final answer
    x = 78,840.60

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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.