Home / 131,062.95-180,746.85-97,155.90

Finding the Fourth Proportional to 131,062.95, 180,746.85 and 97,155.90

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Solution

The fourth proportional to 131,062.95, 180,746.85 and 97,155.90 is: 133,986.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,062.95 : 180,746.85 = 97,155.90 : x
  2. Step 2: Convert to fraction form
    131,062.95/180,746.85 = 97,155.90/x
  3. Step 3: Cross multiply
    131,062.95x = 180,746.85 × 97,155.90
  4. Step 4: Simplify right side
    131,062.95x = 17,560,622,883.92
  5. Step 5: Solve for x
    x = 17,560,622,883.92/131,062.95
  6. Step 6: Final answer
    x = 133,986.17

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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.