Home / 124,315.20-186,545.70-45,437.40

Finding the Fourth Proportional to 124,315.20, 186,545.70 and 45,437.40

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Solution

The fourth proportional to 124,315.20, 186,545.70 and 45,437.40 is: 68,182.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,315.20 : 186,545.70 = 45,437.40 : x
  2. Step 2: Convert to fraction form
    124,315.20/186,545.70 = 45,437.40/x
  3. Step 3: Cross multiply
    124,315.20x = 186,545.70 × 45,437.40
  4. Step 4: Simplify right side
    124,315.20x = 8,476,151,589.18
  5. Step 5: Solve for x
    x = 8,476,151,589.18/124,315.20
  6. Step 6: Final answer
    x = 68,182.75

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1.5x scale

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.