Home / 130,617.41-195,762.13-70,643.49

Finding the Fourth Proportional to 130,617.41, 195,762.13 and 70,643.49

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Solution

The fourth proportional to 130,617.41, 195,762.13 and 70,643.49 is: 105,876.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,617.41 : 195,762.13 = 70,643.49 : x
  2. Step 2: Convert to fraction form
    130,617.41/195,762.13 = 70,643.49/x
  3. Step 3: Cross multiply
    130,617.41x = 195,762.13 × 70,643.49
  4. Step 4: Simplify right side
    130,617.41x = 13,829,320,073.03
  5. Step 5: Solve for x
    x = 13,829,320,073.03/130,617.41
  6. Step 6: Final answer
    x = 105,876.54

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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.