Home / 130,343.04-179,831.60-72,973.96

Finding the Fourth Proportional to 130,343.04, 179,831.60 and 72,973.96

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Solution

The fourth proportional to 130,343.04, 179,831.60 and 72,973.96 is: 100,680.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,343.04 : 179,831.60 = 72,973.96 : x
  2. Step 2: Convert to fraction form
    130,343.04/179,831.60 = 72,973.96/x
  3. Step 3: Cross multiply
    130,343.04x = 179,831.60 × 72,973.96
  4. Step 4: Simplify right side
    130,343.04x = 13,123,023,985.14
  5. Step 5: Solve for x
    x = 13,123,023,985.14/130,343.04
  6. Step 6: Final answer
    x = 100,680.67

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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.