Home / 131,018.76-180,804.98-74,430.14

Finding the Fourth Proportional to 131,018.76, 180,804.98 and 74,430.14

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Solution

The fourth proportional to 131,018.76, 180,804.98 and 74,430.14 is: 102,713.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,018.76 : 180,804.98 = 74,430.14 : x
  2. Step 2: Convert to fraction form
    131,018.76/180,804.98 = 74,430.14/x
  3. Step 3: Cross multiply
    131,018.76x = 180,804.98 × 74,430.14
  4. Step 4: Simplify right side
    131,018.76x = 13,457,339,256.15
  5. Step 5: Solve for x
    x = 13,457,339,256.15/131,018.76
  6. Step 6: Final answer
    x = 102,713.07

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1.5x scale

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.