Home / 130,675.51-180,328.71-73,310.03

Finding the Fourth Proportional to 130,675.51, 180,328.71 and 73,310.03

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Solution

The fourth proportional to 130,675.51, 180,328.71 and 73,310.03 is: 101,165.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,675.51 : 180,328.71 = 73,310.03 : x
  2. Step 2: Convert to fraction form
    130,675.51/180,328.71 = 73,310.03/x
  3. Step 3: Cross multiply
    130,675.51x = 180,328.71 × 73,310.03
  4. Step 4: Simplify right side
    130,675.51x = 13,219,903,139.96
  5. Step 5: Solve for x
    x = 13,219,903,139.96/130,675.51
  6. Step 6: Final answer
    x = 101,165.88

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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.