Home / 124,271.10-186,437.70-40,039.20

Finding the Fourth Proportional to 124,271.10, 186,437.70 and 40,039.20

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Solution

The fourth proportional to 124,271.10, 186,437.70 and 40,039.20 is: 60,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,271.10 : 186,437.70 = 40,039.20 : x
  2. Step 2: Convert to fraction form
    124,271.10/186,437.70 = 40,039.20/x
  3. Step 3: Cross multiply
    124,271.10x = 186,437.70 × 40,039.20
  4. Step 4: Simplify right side
    124,271.10x = 7,464,816,357.84
  5. Step 5: Solve for x
    x = 7,464,816,357.84/124,271.10
  6. Step 6: Final answer
    x = 60,068.80

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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.