Home / 130,396.38-180,036.63-88,014.30

Finding the Fourth Proportional to 130,396.38, 180,036.63 and 88,014.30

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Solution

The fourth proportional to 130,396.38, 180,036.63 and 88,014.30 is: 121,520.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,396.38 : 180,036.63 = 88,014.30 : x
  2. Step 2: Convert to fraction form
    130,396.38/180,036.63 = 88,014.30/x
  3. Step 3: Cross multiply
    130,396.38x = 180,036.63 × 88,014.30
  4. Step 4: Simplify right side
    130,396.38x = 15,845,797,963.81
  5. Step 5: Solve for x
    x = 15,845,797,963.81/130,396.38
  6. Step 6: Final answer
    x = 121,520.23

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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.