Home / 124,235.10-186,352.65-84,869.10

Finding the Fourth Proportional to 124,235.10, 186,352.65 and 84,869.10

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Solution

The fourth proportional to 124,235.10, 186,352.65 and 84,869.10 is: 127,303.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,235.10 : 186,352.65 = 84,869.10 : x
  2. Step 2: Convert to fraction form
    124,235.10/186,352.65 = 84,869.10/x
  3. Step 3: Cross multiply
    124,235.10x = 186,352.65 × 84,869.10
  4. Step 4: Simplify right side
    124,235.10x = 15,815,581,688.12
  5. Step 5: Solve for x
    x = 15,815,581,688.12/124,235.10
  6. Step 6: Final answer
    x = 127,303.65

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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.