Home / 130,077.81-195,113.66-59,957.12

Finding the Fourth Proportional to 130,077.81, 195,113.66 and 59,957.12

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Solution

The fourth proportional to 130,077.81, 195,113.66 and 59,957.12 is: 89,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,077.81 : 195,113.66 = 59,957.12 : x
  2. Step 2: Convert to fraction form
    130,077.81/195,113.66 = 59,957.12/x
  3. Step 3: Cross multiply
    130,077.81x = 195,113.66 × 59,957.12
  4. Step 4: Simplify right side
    130,077.81x = 11,698,453,126.26
  5. Step 5: Solve for x
    x = 11,698,453,126.26/130,077.81
  6. Step 6: Final answer
    x = 89,934.27

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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.