Home / 130,400.96-179,957.75-73,042.74

Finding the Fourth Proportional to 130,400.96, 179,957.75 and 73,042.74

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Solution

The fourth proportional to 130,400.96, 179,957.75 and 73,042.74 is: 100,801.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,400.96 : 179,957.75 = 73,042.74 : x
  2. Step 2: Convert to fraction form
    130,400.96/179,957.75 = 73,042.74/x
  3. Step 3: Cross multiply
    130,400.96x = 179,957.75 × 73,042.74
  4. Step 4: Simplify right side
    130,400.96x = 13,144,606,779.02
  5. Step 5: Solve for x
    x = 13,144,606,779.02/130,400.96
  6. Step 6: Final answer
    x = 100,801.46

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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.