Home / 130,820.55-180,534.25-73,472.28

Finding the Fourth Proportional to 130,820.55, 180,534.25 and 73,472.28

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Solution

The fourth proportional to 130,820.55, 180,534.25 and 73,472.28 is: 101,392.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,820.55 : 180,534.25 = 73,472.28 : x
  2. Step 2: Convert to fraction form
    130,820.55/180,534.25 = 73,472.28/x
  3. Step 3: Cross multiply
    130,820.55x = 180,534.25 × 73,472.28
  4. Step 4: Simplify right side
    130,820.55x = 13,264,262,598.23
  5. Step 5: Solve for x
    x = 13,264,262,598.23/130,820.55
  6. Step 6: Final answer
    x = 101,392.81

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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.