Home / 130,495.40-195,743.10-112,999.40

Finding the Fourth Proportional to 130,495.40, 195,743.10 and 112,999.40

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Solution

The fourth proportional to 130,495.40, 195,743.10 and 112,999.40 is: 169,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,495.40 : 195,743.10 = 112,999.40 : x
  2. Step 2: Convert to fraction form
    130,495.40/195,743.10 = 112,999.40/x
  3. Step 3: Cross multiply
    130,495.40x = 195,743.10 × 112,999.40
  4. Step 4: Simplify right side
    130,495.40x = 22,118,852,854.14
  5. Step 5: Solve for x
    x = 22,118,852,854.14/130,495.40
  6. Step 6: Final answer
    x = 169,499.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.