Home / 130,501.95-180,107.18-73,150.71

Finding the Fourth Proportional to 130,501.95, 180,107.18 and 73,150.71

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Solution

The fourth proportional to 130,501.95, 180,107.18 and 73,150.71 is: 100,956.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,501.95 : 180,107.18 = 73,150.71 : x
  2. Step 2: Convert to fraction form
    130,501.95/180,107.18 = 73,150.71/x
  3. Step 3: Cross multiply
    130,501.95x = 180,107.18 × 73,150.71
  4. Step 4: Simplify right side
    130,501.95x = 13,174,968,093.10
  5. Step 5: Solve for x
    x = 13,174,968,093.10/130,501.95
  6. Step 6: Final answer
    x = 100,956.10

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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.