Home / 124,128.10-186,173.70-45,223.93

Finding the Fourth Proportional to 124,128.10, 186,173.70 and 45,223.93

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Solution

The fourth proportional to 124,128.10, 186,173.70 and 45,223.93 is: 67,829.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,128.10 : 186,173.70 = 45,223.93 : x
  2. Step 2: Convert to fraction form
    124,128.10/186,173.70 = 45,223.93/x
  3. Step 3: Cross multiply
    124,128.10x = 186,173.70 × 45,223.93
  4. Step 4: Simplify right side
    124,128.10x = 8,419,506,376.64
  5. Step 5: Solve for x
    x = 8,419,506,376.64/124,128.10
  6. Step 6: Final answer
    x = 67,829.17

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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.