Home / 108,894.10-150,263.40-61,136.50

Finding the Fourth Proportional to 108,894.10, 150,263.40 and 61,136.50

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Solution

The fourth proportional to 108,894.10, 150,263.40 and 61,136.50 is: 84,362.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,894.10 : 150,263.40 = 61,136.50 : x
  2. Step 2: Convert to fraction form
    108,894.10/150,263.40 = 61,136.50/x
  3. Step 3: Cross multiply
    108,894.10x = 150,263.40 × 61,136.50
  4. Step 4: Simplify right side
    108,894.10x = 9,186,578,354.10
  5. Step 5: Solve for x
    x = 9,186,578,354.10/108,894.10
  6. Step 6: Final answer
    x = 84,362.50

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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.