Home / 130,343.72-179,873.70-70,727.72

Finding the Fourth Proportional to 130,343.72, 179,873.70 and 70,727.72

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Solution

The fourth proportional to 130,343.72, 179,873.70 and 70,727.72 is: 97,603.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,343.72 : 179,873.70 = 70,727.72 : x
  2. Step 2: Convert to fraction form
    130,343.72/179,873.70 = 70,727.72/x
  3. Step 3: Cross multiply
    130,343.72x = 179,873.70 × 70,727.72
  4. Step 4: Simplify right side
    130,343.72x = 12,722,056,688.96
  5. Step 5: Solve for x
    x = 12,722,056,688.96/130,343.72
  6. Step 6: Final answer
    x = 97,603.91

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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.