Home / 108,921.71-150,303.55-61,165.83

Finding the Fourth Proportional to 108,921.71, 150,303.55 and 61,165.83

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Solution

The fourth proportional to 108,921.71, 150,303.55 and 61,165.83 is: 84,404.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,921.71 : 150,303.55 = 61,165.83 : x
  2. Step 2: Convert to fraction form
    108,921.71/150,303.55 = 61,165.83/x
  3. Step 3: Cross multiply
    108,921.71x = 150,303.55 × 61,165.83
  4. Step 4: Simplify right side
    108,921.71x = 9,193,441,913.11
  5. Step 5: Solve for x
    x = 9,193,441,913.11/108,921.71
  6. Step 6: Final answer
    x = 84,404.13

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1.5x scale

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.