Home / 130,449.02-180,014.54-73,860.39

Finding the Fourth Proportional to 130,449.02, 180,014.54 and 73,860.39

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Solution

The fourth proportional to 130,449.02, 180,014.54 and 73,860.39 is: 101,924.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,449.02 : 180,014.54 = 73,860.39 : x
  2. Step 2: Convert to fraction form
    130,449.02/180,014.54 = 73,860.39/x
  3. Step 3: Cross multiply
    130,449.02x = 180,014.54 × 73,860.39
  4. Step 4: Simplify right side
    130,449.02x = 13,295,943,760.77
  5. Step 5: Solve for x
    x = 13,295,943,760.77/130,449.02
  6. Step 6: Final answer
    x = 101,924.45

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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.