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Finding the Fourth Proportional to 153,358.94, 230,075.32 and 64,637.82

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Solution

The fourth proportional to 153,358.94, 230,075.32 and 64,637.82 is: 96,972.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,358.94 : 230,075.32 = 64,637.82 : x
  2. Step 2: Convert to fraction form
    153,358.94/230,075.32 = 64,637.82/x
  3. Step 3: Cross multiply
    153,358.94x = 230,075.32 × 64,637.82
  4. Step 4: Simplify right side
    153,358.94x = 14,871,567,120.60
  5. Step 5: Solve for x
    x = 14,871,567,120.60/153,358.94
  6. Step 6: Final answer
    x = 96,972.29

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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.