Home / 130,256.26-179,761.95-72,902.18

Finding the Fourth Proportional to 130,256.26, 179,761.95 and 72,902.18

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Solution

The fourth proportional to 130,256.26, 179,761.95 and 72,902.18 is: 100,609.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,256.26 : 179,761.95 = 72,902.18 : x
  2. Step 2: Convert to fraction form
    130,256.26/179,761.95 = 72,902.18/x
  3. Step 3: Cross multiply
    130,256.26x = 179,761.95 × 72,902.18
  4. Step 4: Simplify right side
    130,256.26x = 13,105,038,485.46
  5. Step 5: Solve for x
    x = 13,105,038,485.46/130,256.26
  6. Step 6: Final answer
    x = 100,609.67

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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.