Home / 130,478.80-195,718.26-36,985.36

Finding the Fourth Proportional to 130,478.80, 195,718.26 and 36,985.36

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Solution

The fourth proportional to 130,478.80, 195,718.26 and 36,985.36 is: 55,478.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,478.80 : 195,718.26 = 36,985.36 : x
  2. Step 2: Convert to fraction form
    130,478.80/195,718.26 = 36,985.36/x
  3. Step 3: Cross multiply
    130,478.80x = 195,718.26 × 36,985.36
  4. Step 4: Simplify right side
    130,478.80x = 7,238,710,304.67
  5. Step 5: Solve for x
    x = 7,238,710,304.67/130,478.80
  6. Step 6: Final answer
    x = 55,478.06

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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.