Home / 130,501.01-180,088.38-76,049.70

Finding the Fourth Proportional to 130,501.01, 180,088.38 and 76,049.70

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Solution

The fourth proportional to 130,501.01, 180,088.38 and 76,049.70 is: 104,946.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,501.01 : 180,088.38 = 76,049.70 : x
  2. Step 2: Convert to fraction form
    130,501.01/180,088.38 = 76,049.70/x
  3. Step 3: Cross multiply
    130,501.01x = 180,088.38 × 76,049.70
  4. Step 4: Simplify right side
    130,501.01x = 13,695,667,272.49
  5. Step 5: Solve for x
    x = 13,695,667,272.49/130,501.01
  6. Step 6: Final answer
    x = 104,946.83

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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.