Home / 130,482.09-180,427.77-103,577.94

Finding the Fourth Proportional to 130,482.09, 180,427.77 and 103,577.94

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Solution

The fourth proportional to 130,482.09, 180,427.77 and 103,577.94 is: 143,225.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,482.09 : 180,427.77 = 103,577.94 : x
  2. Step 2: Convert to fraction form
    130,482.09/180,427.77 = 103,577.94/x
  3. Step 3: Cross multiply
    130,482.09x = 180,427.77 × 103,577.94
  4. Step 4: Simplify right side
    130,482.09x = 18,688,336,735.39
  5. Step 5: Solve for x
    x = 18,688,336,735.39/130,482.09
  6. Step 6: Final answer
    x = 143,225.30

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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.