Home / 219,637.55-303,096.66-124,140.98

Finding the Fourth Proportional to 219,637.55, 303,096.66 and 124,140.98

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Solution

The fourth proportional to 219,637.55, 303,096.66 and 124,140.98 is: 171,312.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,637.55 : 303,096.66 = 124,140.98 : x
  2. Step 2: Convert to fraction form
    219,637.55/303,096.66 = 124,140.98/x
  3. Step 3: Cross multiply
    219,637.55x = 303,096.66 × 124,140.98
  4. Step 4: Simplify right side
    219,637.55x = 37,626,716,407.13
  5. Step 5: Solve for x
    x = 37,626,716,407.13/219,637.55
  6. Step 6: Final answer
    x = 171,312.77

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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.