Home / 130,478.18-195,716.23-77,537.06

Finding the Fourth Proportional to 130,478.18, 195,716.23 and 77,537.06

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Solution

The fourth proportional to 130,478.18, 195,716.23 and 77,537.06 is: 116,304.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,478.18 : 195,716.23 = 77,537.06 : x
  2. Step 2: Convert to fraction form
    130,478.18/195,716.23 = 77,537.06/x
  3. Step 3: Cross multiply
    130,478.18x = 195,716.23 × 77,537.06
  4. Step 4: Simplify right side
    130,478.18x = 15,175,261,068.48
  5. Step 5: Solve for x
    x = 15,175,261,068.48/130,478.18
  6. Step 6: Final answer
    x = 116,304.97

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1.5x scale

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.