Home / 130,041.28-195,110.51-51,210.46

Finding the Fourth Proportional to 130,041.28, 195,110.51 and 51,210.46

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Solution

The fourth proportional to 130,041.28, 195,110.51 and 51,210.46 is: 76,834.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,041.28 : 195,110.51 = 51,210.46 : x
  2. Step 2: Convert to fraction form
    130,041.28/195,110.51 = 51,210.46/x
  3. Step 3: Cross multiply
    130,041.28x = 195,110.51 × 51,210.46
  4. Step 4: Simplify right side
    130,041.28x = 9,991,698,967.93
  5. Step 5: Solve for x
    x = 9,991,698,967.93/130,041.28
  6. Step 6: Final answer
    x = 76,834.82

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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.