Home / 108,875.14-150,243.84-61,130.50

Finding the Fourth Proportional to 108,875.14, 150,243.84 and 61,130.50

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Solution

The fourth proportional to 108,875.14, 150,243.84 and 61,130.50 is: 84,357.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,875.14 : 150,243.84 = 61,130.50 : x
  2. Step 2: Convert to fraction form
    108,875.14/150,243.84 = 61,130.50/x
  3. Step 3: Cross multiply
    108,875.14x = 150,243.84 × 61,130.50
  4. Step 4: Simplify right side
    108,875.14x = 9,184,481,061.12
  5. Step 5: Solve for x
    x = 9,184,481,061.12/108,875.14
  6. Step 6: Final answer
    x = 84,357.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.