Home / 149,305.98-223,432.94-93,172.50

Finding the Fourth Proportional to 149,305.98, 223,432.94 and 93,172.50

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Solution

The fourth proportional to 149,305.98, 223,432.94 and 93,172.50 is: 139,430.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,305.98 : 223,432.94 = 93,172.50 : x
  2. Step 2: Convert to fraction form
    149,305.98/223,432.94 = 93,172.50/x
  3. Step 3: Cross multiply
    149,305.98x = 223,432.94 × 93,172.50
  4. Step 4: Simplify right side
    149,305.98x = 20,817,805,602.15
  5. Step 5: Solve for x
    x = 20,817,805,602.15/149,305.98
  6. Step 6: Final answer
    x = 139,430.49

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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.