Home / 130,303.76-179,827.14-72,941.96

Finding the Fourth Proportional to 130,303.76, 179,827.14 and 72,941.96

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Solution

The fourth proportional to 130,303.76, 179,827.14 and 72,941.96 is: 100,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,303.76 : 179,827.14 = 72,941.96 : x
  2. Step 2: Convert to fraction form
    130,303.76/179,827.14 = 72,941.96/x
  3. Step 3: Cross multiply
    130,303.76x = 179,827.14 × 72,941.96
  4. Step 4: Simplify right side
    130,303.76x = 13,116,944,052.79
  5. Step 5: Solve for x
    x = 13,116,944,052.79/130,303.76
  6. Step 6: Final answer
    x = 100,664.36

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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.