Home / 130,668.93-180,312.21-73,300.28

Finding the Fourth Proportional to 130,668.93, 180,312.21 and 73,300.28

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Solution

The fourth proportional to 130,668.93, 180,312.21 and 73,300.28 is: 101,148.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,668.93 : 180,312.21 = 73,300.28 : x
  2. Step 2: Convert to fraction form
    130,668.93/180,312.21 = 73,300.28/x
  3. Step 3: Cross multiply
    130,668.93x = 180,312.21 × 73,300.28
  4. Step 4: Simplify right side
    130,668.93x = 13,216,934,578.86
  5. Step 5: Solve for x
    x = 13,216,934,578.86/130,668.93
  6. Step 6: Final answer
    x = 101,148.26

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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.