Home / 130,351.50-179,885.07-70,735.50

Finding the Fourth Proportional to 130,351.50, 179,885.07 and 70,735.50

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Solution

The fourth proportional to 130,351.50, 179,885.07 and 70,735.50 is: 97,614.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,351.50 : 179,885.07 = 70,735.50 : x
  2. Step 2: Convert to fraction form
    130,351.50/179,885.07 = 70,735.50/x
  3. Step 3: Cross multiply
    130,351.50x = 179,885.07 × 70,735.50
  4. Step 4: Simplify right side
    130,351.50x = 12,724,260,368.99
  5. Step 5: Solve for x
    x = 12,724,260,368.99/130,351.50
  6. Step 6: Final answer
    x = 97,614.99

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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.