Home / 130,653.64-180,296.58-74,068.84

Finding the Fourth Proportional to 130,653.64, 180,296.58 and 74,068.84

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Solution

The fourth proportional to 130,653.64, 180,296.58 and 74,068.84 is: 102,211.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,653.64 : 180,296.58 = 74,068.84 : x
  2. Step 2: Convert to fraction form
    130,653.64/180,296.58 = 74,068.84/x
  3. Step 3: Cross multiply
    130,653.64x = 180,296.58 × 74,068.84
  4. Step 4: Simplify right side
    130,653.64x = 13,354,358,536.57
  5. Step 5: Solve for x
    x = 13,354,358,536.57/130,653.64
  6. Step 6: Final answer
    x = 102,211.91

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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.