Home / 131,050.63-180,729.93-97,143.59

Finding the Fourth Proportional to 131,050.63, 180,729.93 and 97,143.59

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Solution

The fourth proportional to 131,050.63, 180,729.93 and 97,143.59 is: 133,969.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,050.63 : 180,729.93 = 97,143.59 : x
  2. Step 2: Convert to fraction form
    131,050.63/180,729.93 = 97,143.59/x
  3. Step 3: Cross multiply
    131,050.63x = 180,729.93 × 97,143.59
  4. Step 4: Simplify right side
    131,050.63x = 17,556,754,020.16
  5. Step 5: Solve for x
    x = 17,556,754,020.16/131,050.63
  6. Step 6: Final answer
    x = 133,969.25

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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.