Home / 130,251.09-179,756.16-72,896.16

Finding the Fourth Proportional to 130,251.09, 179,756.16 and 72,896.16

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Solution

The fourth proportional to 130,251.09, 179,756.16 and 72,896.16 is: 100,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,251.09 : 179,756.16 = 72,896.16 : x
  2. Step 2: Convert to fraction form
    130,251.09/179,756.16 = 72,896.16/x
  3. Step 3: Cross multiply
    130,251.09x = 179,756.16 × 72,896.16
  4. Step 4: Simplify right side
    130,251.09x = 13,103,533,800.35
  5. Step 5: Solve for x
    x = 13,103,533,800.35/130,251.09
  6. Step 6: Final answer
    x = 100,602.10

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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.