Home / 130,685.16-180,343.14-73,325.54

Finding the Fourth Proportional to 130,685.16, 180,343.14 and 73,325.54

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Solution

The fourth proportional to 130,685.16, 180,343.14 and 73,325.54 is: 101,187.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,685.16 : 180,343.14 = 73,325.54 : x
  2. Step 2: Convert to fraction form
    130,685.16/180,343.14 = 73,325.54/x
  3. Step 3: Cross multiply
    130,685.16x = 180,343.14 × 73,325.54
  4. Step 4: Simplify right side
    130,685.16x = 13,223,758,125.80
  5. Step 5: Solve for x
    x = 13,223,758,125.80/130,685.16
  6. Step 6: Final answer
    x = 101,187.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.