Home / 130,436.26-180,004.93-73,079.82

Finding the Fourth Proportional to 130,436.26, 180,004.93 and 73,079.82

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Solution

The fourth proportional to 130,436.26, 180,004.93 and 73,079.82 is: 100,851.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,436.26 : 180,004.93 = 73,079.82 : x
  2. Step 2: Convert to fraction form
    130,436.26/180,004.93 = 73,079.82/x
  3. Step 3: Cross multiply
    130,436.26x = 180,004.93 × 73,079.82
  4. Step 4: Simplify right side
    130,436.26x = 13,154,727,700.81
  5. Step 5: Solve for x
    x = 13,154,727,700.81/130,436.26
  6. Step 6: Final answer
    x = 100,851.77

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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.