Home / 98,399.04-147,641.76-51,640.98

Finding the Fourth Proportional to 98,399.04, 147,641.76 and 51,640.98

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Solution

The fourth proportional to 98,399.04, 147,641.76 and 51,640.98 is: 77,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,399.04 : 147,641.76 = 51,640.98 : x
  2. Step 2: Convert to fraction form
    98,399.04/147,641.76 = 51,640.98/x
  3. Step 3: Cross multiply
    98,399.04x = 147,641.76 × 51,640.98
  4. Step 4: Simplify right side
    98,399.04x = 7,624,365,175.32
  5. Step 5: Solve for x
    x = 7,624,365,175.32/98,399.04
  6. Step 6: Final answer
    x = 77,484.14

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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.