Home / 130,898.16-180,633.24-74,301.84

Finding the Fourth Proportional to 130,898.16, 180,633.24 and 74,301.84

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Solution

The fourth proportional to 130,898.16, 180,633.24 and 74,301.84 is: 102,533.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,898.16 : 180,633.24 = 74,301.84 : x
  2. Step 2: Convert to fraction form
    130,898.16/180,633.24 = 74,301.84/x
  3. Step 3: Cross multiply
    130,898.16x = 180,633.24 × 74,301.84
  4. Step 4: Simplify right side
    130,898.16x = 13,421,382,097.16
  5. Step 5: Solve for x
    x = 13,421,382,097.16/130,898.16
  6. Step 6: Final answer
    x = 102,533.01

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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.