Home / 99,746.78-149,494.01-43,572.06

Finding the Fourth Proportional to 99,746.78, 149,494.01 and 43,572.06

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Solution

The fourth proportional to 99,746.78, 149,494.01 and 43,572.06 is: 65,302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,746.78 : 149,494.01 = 43,572.06 : x
  2. Step 2: Convert to fraction form
    99,746.78/149,494.01 = 43,572.06/x
  3. Step 3: Cross multiply
    99,746.78x = 149,494.01 × 43,572.06
  4. Step 4: Simplify right side
    99,746.78x = 6,513,761,973.36
  5. Step 5: Solve for x
    x = 6,513,761,973.36/99,746.78
  6. Step 6: Final answer
    x = 65,302.98

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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.