Home / 130,660.60-180,325.02-76,962.52

Finding the Fourth Proportional to 130,660.60, 180,325.02 and 76,962.52

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Solution

The fourth proportional to 130,660.60, 180,325.02 and 76,962.52 is: 106,216.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,660.60 : 180,325.02 = 76,962.52 : x
  2. Step 2: Convert to fraction form
    130,660.60/180,325.02 = 76,962.52/x
  3. Step 3: Cross multiply
    130,660.60x = 180,325.02 × 76,962.52
  4. Step 4: Simplify right side
    130,660.60x = 13,878,267,958.25
  5. Step 5: Solve for x
    x = 13,878,267,958.25/130,660.60
  6. Step 6: Final answer
    x = 106,216.17

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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.