Home / 130,464.64-180,036.16-73,876.15

Finding the Fourth Proportional to 130,464.64, 180,036.16 and 73,876.15

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Solution

The fourth proportional to 130,464.64, 180,036.16 and 73,876.15 is: 101,946.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,464.64 : 180,036.16 = 73,876.15 : x
  2. Step 2: Convert to fraction form
    130,464.64/180,036.16 = 73,876.15/x
  3. Step 3: Cross multiply
    130,464.64x = 180,036.16 × 73,876.15
  4. Step 4: Simplify right side
    130,464.64x = 13,300,378,361.58
  5. Step 5: Solve for x
    x = 13,300,378,361.58/130,464.64
  6. Step 6: Final answer
    x = 101,946.23

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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.