Home / 130,424.16-179,984.40-73,835.04

Finding the Fourth Proportional to 130,424.16, 179,984.40 and 73,835.04

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Solution

The fourth proportional to 130,424.16, 179,984.40 and 73,835.04 is: 101,891.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,424.16 : 179,984.40 = 73,835.04 : x
  2. Step 2: Convert to fraction form
    130,424.16/179,984.40 = 73,835.04/x
  3. Step 3: Cross multiply
    130,424.16x = 179,984.40 × 73,835.04
  4. Step 4: Simplify right side
    130,424.16x = 13,289,155,373.38
  5. Step 5: Solve for x
    x = 13,289,155,373.38/130,424.16
  6. Step 6: Final answer
    x = 101,891.82

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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.